Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021
Operating activities
Net income (loss)	$ 14,582	$ 6,478	$ (21,001)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Loss on disposal of property & equipment	66	195	44
Depreciation of fixed assets	1,769	2,210	2,832
Amortization of internal-use software and intangibles	1,743	1,654	1,959
Deferred income taxes	(181)	(925)	(959)
Share-based compensation	12,958	14,549	40,093
Changes in operating assets and liabilities:
Accounts receivable	2,537	2,551	10,363
Contract assets	(590)	684	(228)
Inventories	(2,897)	(5,764)	2,746
Prepaid expense and other current assets	(2,084)	(484)	(201)
Accounts payable	(1,582)	3,417	(7,016)
Contract liabilities	6,383	4,902	(3,971)
Accrued liabilities	2,711	146	1,187
Income taxes payable	290	50	340
Other changes, net	(1,242)	(1,188)	2,219
Net cash provided by operating activities	34,463	28,475	28,407
Investing activities
Capital expenditures	(7,238)	(1,197)	(1,389)
Cash paid for business combinations, net of cash acquired	395	(24,455)	0
Additional investments in corporate-owned life insurance policies	(27)	(27)	(2)
Net cash used in investing activities	(6,870)	(25,679)	(1,391)
Financing activities
Preferred stock issuance proceeds, net of issuance costs	0	0	33,969
Payment of preferred stock dividends	(1,836)	(1,836)	(1,117)
Repurchase of common shares to satisfy employee tax withholding	(9,254)	(3,046)	(7,512)
Principal payments under long-term obligations	(4)	(19)	(24)
Net cash (used in) provided by financing activities	(11,094)	(4,901)	25,316
Effect of exchange rate changes on cash	(628)	(104)	195
Net increase (decrease) in cash and cash equivalents	15,871	(2,209)	52,527
Cash and cash equivalents at beginning of period	96,971	99,180	46,653
Cash and cash equivalents at end of period	$ 112,842	$ 96,971	$ 99,180