Quarterly report pursuant to Section 13 or 15(d)

COMMON STOCK WARRANT LIABILITY (Details)

v3.19.1
COMMON STOCK WARRANT LIABILITY (Details) - Second Lien Term Loan - Warrant to Purchase Common Equity
May 13, 2016
$ / shares
shares
Mar. 31, 2019
Line of Credit    
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 1 month 13 days
Unsecured Debt    
Class of Warrant or Right [Line Items]    
Term of unsecured note 4 years  
Minimum | Unsecured Debt    
Class of Warrant or Right [Line Items]    
Interest rate on unsecured note 13.25%  
Measurement Input, Price Volatility | Line of Credit    
Class of Warrant or Right [Line Items]    
Expected stock rate   0.4305
Measurement Input, Expected Dividend Rate | Line of Credit    
Class of Warrant or Right [Line Items]    
Expected stock rate   0
Measurement Input, Risk Free Interest Rate | Line of Credit    
Class of Warrant or Right [Line Items]    
Expected stock rate   0.0231