Unaudited Condensed Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash flows from operating activities
Net income (loss)	$ 2,125	$ (4,865)
Less: Net loss from discontinued operations	0	(15)
Net income (loss) from continuing operations	2,125	(4,850)
Adjustments to reconcile net income (loss) from continuing operations to net cash used in operating activities:
Right-of-use asset non-cash expense	511	538
Deferred income taxes	22	19
Depreciation of property and equipment	150	159
Stock-based compensation	525	848
Amortization of intangible assets	783	822
Changes in operating assets and liabilities, net of effects of discontinued operations and acquisition:
Trade accounts receivable	(1,620)	734
Unbilled accounts receivable and deferred revenue	687	212
Inventories	(693)	(5,346)
Prepaid expenses and other assets	(1,182)	(1,330)
Trade accounts payable and accrued expenses	3,354	1,137
Operating lease liabilities	(616)	(189)
Net cash provided by (used in) operating activities - continuing operations	4,046	(7,246)
Net cash used in operating activities - discontinued operations	0	(98)
Net cash provided by (used in) operating activities	4,046	(7,344)
Cash flows from investing activities
Purchases of property and equipment	(168)	(188)
Capitalized software development costs	(588)	(333)
Net cash used in investing activities - continuing operations	(756)	(521)
Net cash used in investing activities	(756)	(521)
Cash flows from financing activities
Proceeds from stock option exercises	257	1
Tax withholding payments for net share settlements of restricted stock units	(6)	24
Repurchases of common stock	0	(884)
Net cash provided by (used in) financing activities	251	(859)
Increase (decrease) in cash, cash equivalents and restricted cash	3,541	(8,724)
Cash, cash equivalents and restricted cash at beginning of period	16,727	23,809
Cash, cash equivalents and restricted cash at end of period	20,268	15,085
Supplemental schedule of non-cash investing and financing activities:
Lease liabilities arising from obtaining right-of-use assets	121	106
Capitalized software development costs	$ 234	$ 0