| Total assets | 49.6M | 155.6M | 163.7M | 169.9M | 
                
                        | Current assets | 48.6M | 151.7M | 159.8M | 160.0M | 
                
                        | Cash | — | — | — | — | 
                
                        | Cash equivalents | — | — | — | — | 
                
                        | Cash and cash equivalents | 19.6M | — | 14.3M | — | 
                
                        | Other short term investments | 6.6M | — | 2.2M | — | 
                
                        | Accounts receivable | 10.0M | 11.2M | 13.5M | 50.5M | 
                
                        | Other receivables | 445K | — | 778K | — | 
                
                        | Inventory | — | — | — | — | 
                
                        | Prepaid assets | 10.6M | — | 7.5M | — | 
                
                        | Restricted cash | 0 | — | 26.7M | — | 
                
                        | Assets held for sale | 0 | 54.5M | 93.5M | — | 
                
                        | Hedging assets | — | — | — | — | 
                
                        | Other current assets | 554K | 15.8M | 424K | 36.3M | 
                
                        | Non current assets | 999K | 3.8M | 3.9M | 9.8M | 
                
                        | Properties | 451K | — | 64K | — | 
                
                        | Land and improvements | — | — | — | — | 
                
                        | Machinery furniture equipment | 2.8M | — | 3.1M | — | 
                
                        | Construction in progress | — | — | — | — | 
                
                        | Leases | 1.0M | — | 1.5M | — | 
                
                        | Accumulated depreciation | -3.8M | — | -4.7M | — | 
                
                        | Goodwill | 60K | — | 0 | 709K | 
                
                        | Investment properties | — | — | — | — | 
                
                        | Financial assets | — | — | — | — | 
                
                        | Intangible assets | 60K | — | — | 709K | 
                
                        | Investments and advances | 142K | — | 3.4M | — | 
                
                        | Other non current assets | 0 | 3.8M | 305K | 9.1M | 
                
                        | Total liabilities | 35.2M | 122.4M | 122.5M | 118.5M | 
                
                        | Current liabilities | 33.5M | 120.7M | 120.1M | 115.8M | 
                
                        | Accounts payable | 5.2M | 3.3M | 4.5M | 34.2M | 
                
                        | Accrued expenses | 9.0M | — | 3.2M | — | 
                
                        | Short term debt | 2.4M | 36.9M | 2.9M | 35.2M | 
                
                        | Deferred revenue | 9.1M | — | 8.1M | — | 
                
                        | Tax payable | 2.3M | — | 2.3M | — | 
                
                        | Pensions | 4.3M | — | 4.6M | — | 
                
                        | Other current liabilities | 655K | 80.4M | 93.7M | 46.5M | 
                
                        | Non current liabilities | 1.8M | 1.7M | 2.4M | 2.7M | 
                
                        | Long term provisions | — | — | — | — | 
                
                        | Long term debt | 633K | — | 500K | — | 
                
                        | Provision for risks and charges | — | — | 0 | — | 
                
                        | Deferred liabilities | 1.1M | — | 1.1M | — | 
                
                        | Derivative product liabilities | — | — | — | — | 
                
                        | Other non current liabilities | — | 221K | — | 2.7M | 
                
                        | Shareholders equity |  |  |  |  | 
                
                        | Common stock | 44K | 44K | 50K | 49K | 
                
                        | Retained earnings | -489.4M | — | -460.8M | — | 
                
                        | Other shareholders equity | -224K | 31.9M | -4.0M | 75.5M | 
                
                        | Total shareholders equity | 14.4M | 33.2M | 41.3M | 51.4M | 
                
                        | Additional paid in capital | 502.6M | — | 530.5M | — | 
                
                        | Treasury stock | 32K | 39K | 28.7M | 28.5M | 
                
                        | Minority interest | 1.4M | 1.3M | 4.1M | 4.3M |