COMMON STOCK (Details) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended	6 Months Ended
	Apr. 08, 2015	Jan. 31, 2015	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Common stock, number of shares, par value and other disclosures
Common stock, authorized			50,000,000		50,000,000
Common stock, par value (in dollars per share)	$ 0.00001		$ 0.00001		$ 0.00001
Common stock, issued			26,856,177		23,453,000
Common stock, outstanding			26,011,852		23,453,000
Common stock disclosures
Proceeds from exercise of stock options			$ 978	$ 130
Proceeds from exercise of warrants			6,865
Issuance of common stock to 401(k) plan (in dollars)			$ 105
Stock Issued for reverse stock Splits	1,514
Common Stock
Common stock disclosures
Issuance of common stock upon exercise of stock options (in shares)			188,745
Issuance of stock options to purchase common stock (in shares)			44,921
Issuance of stock for services (in shares)			13,695
Issuance of stock (in shares)			175,050
Proceeds from exercise of stock options			$ 978
Issuance of common stock upon exercise of warrants (in shares)			1,205,225
Warrants to purchase through cashless exercise provisions (in shares)			18,946
Shares issued through cashless exercise provisions			11,368
Warrants to purchase exercise through cash (in shares)			1,193,857
Issuance of common stock to 401(k) plan (in shares)			7,694
Common Stock | Public offering
Common stock disclosures
Number of shares issued under underwritten public offering (in shares)		2,000,000
Net proceeds from issuance of equity (in dollars)		$ 11,038