Supplementary Financial Information - Loss per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Numerator:
Net income (loss) from continuing operations	$ 2,125	$ (4,850)
Net loss from discontinued operations, net of tax	0	(15)
Net income (loss)	$ 2,125	$ (4,865)
Denominator:
Weighted average common shares used in basic computation (in shares)	42,567,000	42,380,000
Dilutive stock options (in shares)	1,073,000	0
Weighted average common shares used in diluted computation (in shares)	43,640,000	42,380,000
Basic:
Net loss per share from continuing operations basic (in dollars per share)	$ 0.05	$ (0.11)
Net loss per share from continuing operations diluted (in dollars per share)	0.05	(0.11)
Net loss per share from discontinued operations basic (in dollars per share)	0	0
Net loss per share from discontinued operations diluted (in dollars per share)	0	0
Net loss per share - Basic (in dollars per share)	0.05	(0.11)
Net loss per share - Diluted (in dollars per share)	$ 0.05	$ (0.11)