2. NET LOSS PER COMMON SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2016
NET LOSS PER COMMON SHARE
Net loss									$ (4,515)	$ (115)	$ (2,170)
Weighted average shares-Basic									21,085	20,652	22,593
Weighted average shares-Dilutive									21,085	20,652	22,593
Net income (loss) per common share - Basic	$ 0.01	$ (0.07)	$ (0.08)	$ (0.07)	$ (0.07)	$ 0.02	$ 0.03	$ 0.01	$ (0.21)	$ (0.01)	$ (0.10)
Net income (loss) per common share - Diluted	$ 0.01	$ (0.07)	$ (0.08)	$ (0.07)	$ (0.07)	$ 0.02	$ 0.03	$ 0.01	$ (0.21)	$ (0.01)	$ (0.10)