FAIR VALUE (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended		3 Months Ended
	Jan. 31, 2016	Feb. 28, 2012	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Common stock warrants issued (in shares)			2,933,106
Warrants outstanding (shares)					3,334,011
2012 Warrant Liability
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Common stock warrants issued (in shares)		3,400,000
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 350		$ 0	$ 350
Total (gains) or losses:
Recognized in earnings			0	(330)
Balance at end of period			$ 0	20
2016 Warrant Liability
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Common stock warrants issued (in shares)	1,800,000
Warrants outstanding (shares)			800,000
Share price (in dollars per share)			$ 0.56
Volatility (as a percent)			115.00%
Risk-free interest rate (as a percent)			1.66%
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 0		$ 582	0
Additions			0	1,437
Total (gains) or losses:
Recognized in earnings			33	9
Balance at end of period			$ 615	$ 1,446