STOCKHOLDERS' EQUITY - CAPITAL STOCK (Detail Textuals) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended		12 Months Ended
	Feb. 11, 2014	Mar. 31, 2014	Mar. 18, 2014	Dec. 31, 2015	Dec. 31, 2014	Jan. 31, 2014
Class of Warrant or Right [Line Items]
Stock issuance maximum limit						$ 75,000
Common stock, par value (in dollars per share)				$ 0.001	$ 0.001
Stock issued during period, value, new issues				$ (24)
Registered Direct Offering
Class of Warrant or Right [Line Items]
Proceeds from issuance or sale of equity			$ 8,400
Number of shares sold under registered direct offering			2,870,000
Offering price			$ 3.15
Stock issued during period, value, new issues			$ 9,000
Roth Equity Distribution Agreement | ATM offering
Class of Warrant or Right [Line Items]
Sale of stock, number of shares issued in transaction		721,677
Proceeds from issuance or sale of equity	$ 10,000	$ 2,600
Common stock, par value (in dollars per share)	$ 0.001