3. NET INCOME (LOSS) PER COMMON SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Net loss	$ 1,078	$ (5,110)
Weighted average shares - Basic	25,374	24,866
Weighted average shares - Dilutive	25,686	24,866
Net income (loss) per common share - Basic	$ 0.04	$ (0.21)
Net income (loss) per common share - Diluted	$ 0.04	$ (0.21)
Employee Stock Option [Member]
Dilutive effect of employee stock options	301
Employee stock purchase plan options
Dilutive effect of employee stock options	11