Annual report pursuant to Section 13 and 15(d)

Debt - Outstanding Long-Term Debt (Details)

v3.3.1.900
Debt - Outstanding Long-Term Debt (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Debt Instrument [Line Items]    
Total debt, outstanding principal $ 17,814 $ 24,500
Less: Current portion, Outstanding Principal $ (17,814) (20,000)
Long-term debt, Outstanding Principal 4,500
Total debt, unamortized discount $ (857) (2,369)
Less: Current portion, Unamortized Discount $ 857 930
Long-term debt, Unamortized Discount (1,439)
Total debt, net carrying amount $ 16,957 22,131
Less: current portion, net carrying amount $ (16,957) (19,070)
Long-term debt 3,061
Hercules Term Loan [Member]    
Debt Instrument [Line Items]    
Total debt, outstanding principal $ 17,051 20,000
Total debt, unamortized discount (857) (930)
Total debt, net carrying amount $ 16,194 19,070
Magna Convertible Notes [Member]    
Debt Instrument [Line Items]    
Total debt, outstanding principal 4,500
Total debt, unamortized discount (1,439)
Total debt, net carrying amount $ 3,061
Magna August Note [Member]    
Debt Instrument [Line Items]    
Total debt, outstanding principal $ 763
Total debt, unamortized discount
Total debt, net carrying amount $ 763