Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2022
Operating activities
Net Income (Loss)	$ 86,195	$ 14,582	$ 6,478
Adjustments to reconcile net income to net cash provided by operating activities:
(Gain) loss on asset disposals	(1,145)	66	195
Depreciation of fixed assets	3,896	1,769	2,210
Amortization of internal-use software and intangibles	1,366	1,743	1,654
Deferred income taxes	(66,353)	(181)	(925)
Share-based compensation	14,111	12,958	14,549
Changes in operating assets and liabilities:
Accounts receivable	(6,996)	2,537	2,551
Contract assets	(36)	(590)	684
Inventory	5,189	(2,897)	(5,764)
Prepaids and other current assets	(291)	(2,084)	(484)
Accounts payable	973	(1,582)	3,417
Contract liabilities	3,965	6,383	4,902
Accrued liabilities	5,659	2,711	146
Income taxes payable, net	(1,177)	290	50
Other changes, net	2,830	(1,242)	(1,188)
Net cash provided by operating activities	48,186	34,463	28,475
Investing activities
Capital expenditures	(8,127)	(7,238)	(1,197)
Proceeds from sale of assets	552	0	0
Cash (paid for) business combinations, net of cash acquired	0	395	(24,455)
Additional investments in corporate-owned life insurance policies	(27)	(27)	(27)
Net cash used in investing activities	(7,602)	(6,870)	(25,679)
Financing activities
Payment of preferred stock dividends	(1,663)	(1,836)	(1,836)
Repurchase of common shares to satisfy employee tax withholding	(6,893)	(9,254)	(3,046)
Principal payments under long-term obligations	(2)	(4)	(19)
Net cash used in financing activities	(8,558)	(11,094)	(4,901)
Effect of exchange rate changes on cash	23	(628)	(104)
Net increase (decrease) in cash and cash equivalents	32,049	15,871	(2,209)
Cash and cash equivalents at beginning of period	112,842	96,971	99,180
Cash and cash equivalents at end of period	$ 144,891	$ 112,842	$ 96,971