NET LOSS PER COMMON SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Numerator for basic and diluted loss per share:
Net loss	$ (2,114)	$ (1,767)	$ (4,389)	$ (4,096)
Preferred dividends	(309)	(302)	(657)	(506)
Net loss available to common shareholders	$ (2,423)	$ (2,069)	$ (5,046)	$ (4,602)
Denominator for basic and dilutive loss per share weighted-average shares outstanding	94,298,567	93,674,349	94,185,967	93,595,433
Net loss	$ (0.02)	$ (0.02)	$ (0.05)	$ (0.04)
Preferred dividends	(0.01)	(0.00)	(0.00)	(0.01)
Net loss available to common shareholders	$ (0.03)	$ (0.02)	$ (0.05)	$ (0.05)