3. NET LOSS PER COMMON SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
NET LOSS PER COMMON SHARE
Net loss	$ (3,228)	$ (4,567)	$ (7,204)	$ (8,776)
Weighted average shares - Basic	24,554	24,229	24,538	24,162
Weighted average shares - Dilutive	24,554	24,229	24,538	24,162
Net loss per common share - Basic	$ (0.13)	$ (0.19)	$ (0.29)	$ (0.36)
Net loss per common share - Diluted	$ (0.13)	$ (0.19)	$ (0.29)	$ (0.36)