Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details 1)

v3.4.0.3
Fair Value Measurements (Details 1)
$ in Thousands
3 Months Ended
Mar. 31, 2016
USD ($)
Embedded Conversion Feature [Member]  
Summary of changes in the fair value of the Level 3 financial liabilities  
January 1, 2016 $ 5,619
Issuance of warrants 1,456
Issuance of convertible notes $ 105
Conversion of 12% senior convertible debentures to common stock
Conversion of share-settled debt to common stock $ (60)
Change in fair value (2,479)
March 31, 2016 $ 4,641
Fair Value, Inputs, Level 3 [Member]  
Summary of changes in the fair value of the Level 3 financial liabilities  
January 1, 2016
March 31, 2016 $ 8,365
Fair Value, Inputs, Level 3 [Member] | Share-settled Debt [Member]  
Summary of changes in the fair value of the Level 3 financial liabilities  
January 1, 2016 $ 521
Issuance of warrants
Issuance of convertible notes
Conversion of 12% senior convertible debentures to common stock
Conversion of share-settled debt to common stock $ (25)
Change in fair value (20)
March 31, 2016 476
Fair Value, Inputs, Level 3 [Member] | Embedded Conversion Feature [Member]  
Summary of changes in the fair value of the Level 3 financial liabilities  
January 1, 2016 $ 2,073
Issuance of warrants
Issuance of convertible notes $ 105
Conversion of 12% senior convertible debentures to common stock
Conversion of share-settled debt to common stock $ (35)
Change in fair value (51)
March 31, 2016 2,092
Fair Value, Inputs, Level 3 [Member] | Warrant Liability [Member]  
Summary of changes in the fair value of the Level 3 financial liabilities  
January 1, 2016 3,025
Issuance of warrants $ 1,456
Issuance of convertible notes
Conversion of 12% senior convertible debentures to common stock
Conversion of share-settled debt to common stock
Change in fair value $ (2,408)
March 31, 2016 $ 2,073