CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2022
Operating activities
Net (loss) income	$ (11,671)	$ (34,341)	$ 6,091
Adjustments to reconcile net (loss) income to net cash used in
Depreciation	1,410	1,369	1,327
Amortization of intangible assets	1,085	653	227
Stock-based compensation	950	1,612	813
Impairment on intangibles	456	0	0
Amortization of debt issue costs	95	73	62
Deferred income tax benefit	(5)	17,881	1,980
Impairment of property and equipment	69	0	0
Loss (gain) on sale of property and equipment	84	27	(77)
Provision for inventory reserves	562	628	623
Provision for credit losses/bad debts	170	65	10
Other	12	96	26
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	(464)	(586)	4,407
Revenue earned but not billed	(3,219)	1,426	851
Inventories	(603)	1,879	(420)
Prepaid expenses and other assets	(1,384)	2,017	(888)
Accounts payable	4,990	2,372	(8,125)
Accrued expenses and other liabilities	(2,334)	2,209	(6,933)
Deferred revenue, current and long-term	(295)	329	(87)
Net cash (used in) provided by operating activities	(10,092)	(2,291)	(113)
Investing activities
Cash to fund acquisitions, net of cash received	0	(5,600)	(4,012)
Cash paid for investment	0	0	(500)
Purchase of property and equipment	(837)	(586)	(518)
Additions to patents and licenses	0	(9)	(10)
Proceeds from sales of property, plant and equipment	106	0	122
Net cash used in investing activities	(731)	(6,195)	(4,918)
Financing activities
Payment of long-term debt	(15)	(15)	(14)
Proceeds from revolving credit facility	0	10,000	0
Payments to settle employee tax withholdings on stock-based compensation	(2)	(2)	(5)
Debt issue costs	0	(29)	(4)
Proceeds from employee equity exercises	3	58	127
Net cash (used in) provided by financing activities	(14)	10,012	104
Net (decrease) increase in cash and cash equivalents	(10,837)	1,526	(4,927)
Cash and cash equivalents at beginning of period	15,992	14,466	19,393
Cash and cash equivalents at end of period	5,155	15,992	14,466
Supplemental cash flow information:
Cash paid for interest	(691)	(346)	(68)
Cash paid for income taxes	(59)	(87)	(203)
Supplemental disclosure of non-cash investing and financing activities:
Issuance of common stock in connection with acquisition	$ 0	$ 800	$ 0