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 6 Months Ended
May 13, 2016
Jun. 30, 2016
Jun. 30, 2016
Jun. 30, 2015
Dec. 31, 2015
Class of Warrant or Right [Line Items]          
Warrant liability $ 600 $ 815 $ 815   $ 0
Change in fair value of stock warrants   241 $ 241 $ 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 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        
Warrant liability   $ 800 $ 800    
Fair value assumption, expected contractual term 3 years 10 months 6 days        
Fair value assumptions, expected volatility rate 44.78%        
Fair value assumptions, expected dividend yield 0.00%        
Fair value assumptions, expected risk-free interest rate 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    
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%