STOCKHOLDERS' EQUITY (Details 2) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Nov. 21, 2012
Warrants - issued and outstanding
Exercise of warrants for cash (in shares)	313,756
Proceeds from issuance of common stock, net of issuance costs	$ 2.1
Number of warrants exercised (in shares)	289,789	1,037,330	73,964
Net exercise of warrants (in shares)	603,545	809,498	43,526
Common Stock
Warrants - issued and outstanding
Exercise of warrants for cash (in shares)	313,756
Net exercise of warrants (in shares)	289,789	809,498	43,526
Private Placement November 2012 | November 21, 2012 Warrants
Warrants - issued and outstanding
Exercise price (in dollars per share)				$ 7.86
Number of warrants (in shares)	695,383