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Acquisition-Related Contingent Consideration (Details)
In Thousands, except Per Share data, unless otherwise specified
0 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended 290 Months Ended 6 Months Ended
Apr. 01, 2009
EUR (€)
Jun. 30, 2014
EUR (€)
Jun. 30, 2013
EUR (€)
Jun. 30, 2014
USD ($)
Jun. 30, 2014
EUR (€)
Jun. 30, 2013
EUR (€)
Dec. 31, 2012
USD ($)
Dec. 31, 2012
EUR (€)
Jun. 30, 2014
EUR (€)
Sep. 30, 2010
USD ($)
Apr. 01, 2009
USD ($)
Apr. 01, 2009
EUR (€)
Mar. 31, 2009
Jun. 30, 2014
Norwood Secured Loan [Member]
EUR (€)
Jun. 30, 2014
Norwood Secured Loan [Member]
Payment One [Member]
EUR (€)
Jun. 30, 2014
Norwood Secured Loan [Member]
Payment Two [Member]
EUR (€)
Jun. 30, 2014
Norwood Secured Loan [Member]
Payment Three [Member]
EUR (€)
Jun. 30, 2014
Norwood Secured Loan [Member]
Payment Four [Member]
EUR (€)
Jun. 30, 2014
Unobservable Inputs (Level 3) [Member]
EUR (€)
Jun. 30, 2013
Unobservable Inputs (Level 3) [Member]
EUR (€)
Business Acquisition, Contingent Consideration [Line Items]                                        
Cash consideration paid for Bestewil € 5,000                                      
Convertible redeemable note issued for Bestewil                       2,500                
Term of convertible redeemable note 36 months                                      
Interest rate (in hundredths)                     5.00% 5.00%                
Conversion price (in dollars per share)                   $ 0.50 $ 0.80                  
Percentage of acquired entity's shares used as collateral for convertible debt (in hundredths)                         33.30%              
Numerator for conversion of debt             9,609                          
Fair value difference between original conversion price and shares actually issued               807                        
Debt instrument face amount       190                   2,500            
Debt amendment amount payable                             521 517   1,576    
Debt amendment principal payable                             500 500   1,500    
Debt amendment interest payable                             21 17 51 76    
Outstanding principal after first payment                           2,000            
Outstanding principal after second payment                           1,500            
Changes to the Company's acquisition-related contingent consideration [Abstract]                                        
Balance at beginning of period         236                           236 6,533
Settlement of liability   0 (4)   0 (6,283)     (3,314)                   (236) 0
Change in fair value                                     0 (6,283)
Balance at end of period   0     0       0                   0 250
Contingent consideration settled with issuance of shares       $ 325