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STOCKHOLDERS' EQUITY - Term Loan Warrants - Additional Information (Details) $ / shares in Units, $ in Millions | Jan. 16, 2015 USD ($) TradingDay $ / shares shares
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Class Of Warrant Or Right [Line Items] |
Fair value of warrants estimated | $ | $ 0.2
Warrant |
Class Of Warrant Or Right [Line Items] |
Expiration anniversary date of issuance | 10 years
Expected stock price volatility (as a percent) | 100.80%
Risk-free interest rate (as a percent) | 1.83%
Expected life | 10 years
Expected dividend | $ 0
Term Loan |
Class Of Warrant Or Right [Line Items] |
Aggregate number of shares of Common Stock issuable | 2.25%
Consecutive trading days | TradingDay | 10
Term Loan | Term A Loans |
Class Of Warrant Or Right [Line Items] |
Shares of common stock to purchase by warrant | shares | 40,790
Common stock exercise price per share | $ 5.516

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