| 
                Total assets
             | 
                        
                63.5K
             | 
                        
                5.0M
             | 
                        
                67.9M
             | 
                        
                55.8M
             | 
                    
                
                        | 
                Current assets
             | 
                        
                41.7K
             | 
                        
                171.8K
             | 
                        
                6.2M
             | 
                        
                1.6M
             | 
                    
                
                        | 
                Cash
             | 
                        
                21.0K
             | 
                        
                121.5K
             | 
                        
                1.8M
             | 
                        
                1.5M
             | 
                    
                
                        | 
                Cash equivalents
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                    
                
                        | 
                Cash and cash equivalents
             | 
                        
                21.0K
             | 
                        
                121.5K
             | 
                        
                1.8M
             | 
                        
                1.5M
             | 
                    
                
                        | 
                Other short term investments
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                    
                
                        | 
                Accounts receivable
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                    
                
                        | 
                Other receivables
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                    
                
                        | 
                Inventory
             | 
                        
                —
             | 
                        
                0
             | 
                        
                892.7K
             | 
                        
                —
             | 
                    
                
                        | 
                Prepaid assets
             | 
                        
                9.0K
             | 
                        
                13.0K
             | 
                        
                780.8K
             | 
                        
                32.3K
             | 
                    
                
                        | 
                Restricted cash
             | 
                        
                —
             | 
                        
                0
             | 
                        
                2.6M
             | 
                        
                0
             | 
                    
                
                        | 
                Assets held for sale
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                    
                
                        | 
                Hedging assets
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                    
                
                        | 
                Other current assets
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                    
                
                        | 
                Non current assets
             | 
                        
                21.8K
             | 
                        
                4.8M
             | 
                        
                61.7M
             | 
                        
                54.2M
             | 
                    
                
                        | 
                Properties
             | 
                        
                13.6K
             | 
                        
                6.3K
             | 
                        
                68.6M
             | 
                        
                57.3M
             | 
                    
                
                        | 
                Land and improvements
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                    
                
                        | 
                Machinery furniture equipment
             | 
                        
                23.3K
             | 
                        
                23.3K
             | 
                        
                2.2M
             | 
                        
                2.1M
             | 
                    
                
                        | 
                Construction in progress
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                    
                
                        | 
                Leases
             | 
                        
                —
             | 
                        
                —
             | 
                        
                138.2K
             | 
                        
                —
             | 
                    
                
                        | 
                Accumulated depreciation
             | 
                        
                -153.3K
             | 
                        
                -109.3K
             | 
                        
                -11.3M
             | 
                        
                -7.3M
             | 
                    
                
                        | 
                Goodwill
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                    
                
                        | 
                Investment properties
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                    
                
                        | 
                Financial assets
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                    
                
                        | 
                Intangible assets
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                    
                
                        | 
                Investments and advances
             | 
                        
                0
             | 
                        
                4.7M
             | 
                        
                —
             | 
                        
                —
             | 
                    
                
                        | 
                Other non current assets
             | 
                        
                —
             | 
                        
                —
             | 
                        
                2.1M
             | 
                        
                2.0M
             | 
                    
                
                        | 
                Total liabilities
             | 
                        
                190.2K
             | 
                        
                58.2K
             | 
                        
                56.5M
             | 
                        
                31.4M
             | 
                    
                
                        | 
                Current liabilities
             | 
                        
                190.2K
             | 
                        
                49.6K
             | 
                        
                24.4M
             | 
                        
                1.9M
             | 
                    
                
                        | 
                Accounts payable
             | 
                        
                50.2K
             | 
                        
                1.6K
             | 
                        
                870.5K
             | 
                        
                1.2M
             | 
                    
                
                        | 
                Accrued expenses
             | 
                        
                685.6K
             | 
                        
                366.3K
             | 
                        
                254.5K
             | 
                        
                1.1M
             | 
                    
                
                        | 
                Short term debt
             | 
                        
                139.9K
             | 
                        
                48.0K
             | 
                        
                23.6M
             | 
                        
                708.9K
             | 
                    
                
                        | 
                Deferred revenue
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                    
                
                        | 
                Tax payable
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                    
                
                        | 
                Pensions
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                    
                
                        | 
                Other current liabilities
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                    
                
                        | 
                Non current liabilities
             | 
                        
                —
             | 
                        
                8.6K
             | 
                        
                32.1M
             | 
                        
                29.6M
             | 
                    
                
                        | 
                Long term provisions
             | 
                        
                —
             | 
                        
                —
             | 
                        
                2.1M
             | 
                        
                1.6M
             | 
                    
                
                        | 
                Long term debt
             | 
                        
                —
             | 
                        
                8.6K
             | 
                        
                32.1M
             | 
                        
                29.6M
             | 
                    
                
                        | 
                Provision for risks and charges
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                    
                
                        | 
                Deferred liabilities
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                    
                
                        | 
                Derivative product liabilities
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                    
                
                        | 
                Other non current liabilities
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                    
                
                        | 
                Shareholders equity
             | 
                        
                
             | 
                        
                
             | 
                        
                
             | 
                        
                
             | 
                    
                
                        | 
                Common stock
             | 
                        
                78.2M
             | 
                        
                78.2M
             | 
                        
                78.2M
             | 
                        
                78.1M
             | 
                    
                
                        | 
                Retained earnings
             | 
                        
                -92.3M
             | 
                        
                -86.9M
             | 
                        
                -82.0M
             | 
                        
                -67.8M
             | 
                    
                
                        | 
                Other shareholders equity
             | 
                        
                0
             | 
                        
                0
             | 
                        
                12.9M
             | 
                        
                11.3M
             | 
                    
                
                        | 
                Total shareholders equity
             | 
                        
                -14.1M
             | 
                        
                -8.7M
             | 
                        
                9.1M
             | 
                        
                21.6M
             | 
                    
                
                        | 
                Additional paid in capital
             | 
                        
                11.2M
             | 
                        
                9.3M
             | 
                        
                —
             | 
                        
                78.1M
             | 
                    
                
                        | 
                Treasury stock
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                    
                
                        | 
                Minority interest
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             | 
                        
                —
             |