Quarterly report pursuant to Section 13 or 15(d)

COMMON STOCK WARRANT LIABILITY (Details)

v3.10.0.1
COMMON STOCK WARRANT LIABILITY (Details)
$ / shares in Units, $ in Millions
May 13, 2016
$ / shares
shares
Sep. 30, 2018
USD ($)
Dec. 31, 2017
USD ($)
Class of Warrant or Right [Line Items]      
Common stock warrant liability | $   $ 1.6 $ 2.5
Line of Credit | Second Lien Term Loan | Warrant to Purchase Common Equity      
Class of Warrant or Right [Line Items]      
Warrants issued (in shares) | shares 1,006,568    
Warrant exercise price (in dollars per share) | $ / shares $ 1.67    
Period for measuring repurchase value 21 days    
Expected contractual term   7 years 7 months 13 days  
Unsecured Debt | Second Lien Term Loan | Warrant to Purchase Common Equity      
Class of Warrant or Right [Line Items]      
Term of unsecured note 4 years    
Minimum | Unsecured Debt | Second Lien Term Loan | Warrant to Purchase Common Equity      
Class of Warrant or Right [Line Items]      
Interest rate on unsecured note 13.25%    
Measurement Input, Price Volatility | Line of Credit | Second Lien Term Loan | Warrant to Purchase Common Equity      
Class of Warrant or Right [Line Items]      
Expected stock rate   0.4290  
Measurement Input, Expected Dividend Rate | Line of Credit | Second Lien Term Loan | Warrant to Purchase Common Equity      
Class of Warrant or Right [Line Items]      
Expected stock rate   0.00  
Measurement Input, Risk Free Interest Rate | Line of Credit | Second Lien Term Loan | Warrant to Purchase Common Equity      
Class of Warrant or Right [Line Items]      
Expected stock rate   0.0303