CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Cash flows from operating activities:
Net income (loss)	$ 1,078	$ (5,110)
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Allowance for credit losses	(8)	(10)
Provision for excess and obsolete inventories	91	35
Non-cash lease expense	174	148
Change in fair value of contingent consideration	(86)	(45)
Depreciation and amortization	192	276
Gain from sale and leaseback transaction	(5,737)
Stock-based compensation	658	820
Amortization of premium on investments		(1)
Changes in assets and liabilities:
Accounts receivable	408	399
Inventories	419	452
Prepaid expenses and other assets	(278)	(141)
Accounts payable	(15)	(270)
Accrued expenses and other liabilities	(1,160)	(284)
Net cash used in operating activities	(4,264)	(3,731)
Cash flows from investing activities:
Proceeds from sale of assets	11,336
Maturities of short-term investments		2,500
Purchases of property and equipment	(32)	(607)
Net cash provided by investing activities	11,304	1,893
Cash flows from financing activities:
Proceeds from issuance of common stock under employee stock plans	296	1,473
Net cash provided by financing activities	296	1,473
Net increase (decrease) in cash and cash equivalents	7,336	(365)
Cash and cash equivalents at beginning of the period	14,429	27,212
Cash and cash equivalents at end of the period	21,765	26,847
Non-cash investing and financing activities:
Operating lease right-of-use assets exchanged for lease obligations	9,092	637
Supplemental cash flow information:
Net cash paid for income taxes	$ 49	$ 13