Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements (Details)

v3.6.0.2
Fair Value Measurements (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Liabilities:    
Long-term warrant derivatives $ 1,316 $ 17,130
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fair Value, Measurements, Recurring [Member]    
Liabilities:    
Current derivative features related to convertible debentures
Contingent consideration  
Long-term warrant derivatives  
Long-term derivative features related to convertible debentures
Total liabilities at fair value
Significant Other Observable Inputs (Level 2) [Member] | Fair Value, Measurements, Recurring [Member]    
Liabilities:    
Current derivative features related to convertible debentures
Contingent consideration  
Long-term warrant derivatives  
Long-term derivative features related to convertible debentures
Total liabilities at fair value
Significant Unobservable Inputs (Level 3) [Member] | Fair Value, Measurements, Recurring [Member]    
Liabilities:    
Current derivative features related to convertible debentures 1,749 408
Contingent consideration 515  
Long-term warrant derivatives   22
Long-term derivative features related to convertible debentures 1,316 17,108
Total liabilities at fair value $ 3,580 $ 17,538