Quarterly report pursuant to Section 13 or 15(d)

LONG-TERM DEBT AND WARRANT LIABILITY - Second Lien Credit Facility Common Stock Warrants (Details)

v3.5.0.2
LONG-TERM DEBT AND WARRANT LIABILITY - Second Lien Credit Facility Common Stock Warrants (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
May 13, 2016
Sep. 30, 2016
Sep. 30, 2016
Sep. 30, 2015
Dec. 31, 2015
Class of Warrant or Right [Line Items]            
Warrant liability $ 634 $ 600 $ 634 $ 634   $ 0
Change in fair value of stock warrants     (181) $ 60 $ 0  
Second Lien Credit Agreement | Line of Credit            
Class of Warrant or Right [Line Items]            
Line of credit, expiration period       3 years 6 months    
Warrant to Purchase Common Equity | Second Lien Credit Agreement | Line of Credit            
Class of Warrant or Right [Line Items]            
Warrants issued   1,006,568        
Warrants granted as a percent of outstanding common equity   5.00%        
Warrant exercise price (in USD per share)   $ 1.67        
Period for measuring warrant exercise price   60 days        
Warrants, period for mandatory registration rights   2 years        
Warrant, redemption rights, decrease in aggregate principal balance on second lien facility   50.00%        
Warrant, redemption rights, period for measuring repurchase value   21 days        
Fair value assumption, expected contractual term 3 years 6 months 26 days 3 years 10 months 6 days        
Fair value assumptions, expected volatility rate 45.99% 44.78%        
Fair value assumptions, expected dividend yield 0.00% 0.00%        
Fair value assumptions, expected risk-free interest rate 1.06% 1.10%        
Warrant to Purchase Common Equity | Second Lien Credit Agreement | Line of Credit | Other Nonoperating Expense            
Class of Warrant or Right [Line Items]            
Change in fair value of stock warrants     $ (200) $ 100    
Warrant to Purchase Common Equity | Second Lien Credit Agreement | Scenario, Exercise of Redemption Rights | Unsecured Debt            
Class of Warrant or Right [Line Items]            
Warrant, redemption rights, term of unsecured note   4 years        
Warrant to Purchase Common Equity | Second Lien Credit Agreement | Scenario, Exercise of Redemption Rights | Unsecured Debt | Minimum            
Class of Warrant or Right [Line Items]            
Warrant, redemption rights, minimum interest rate on unsecured note   13.25%