UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Jan. 31, 2025	Jan. 31, 2024
Operating activities:
Net income (loss)	$ 6,536	$ (7,167)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Stock-based compensation	523	855
Depreciation and amortization expense	1,246	1,410
Loss on disposal of equipment	0	81
Operating lease right-of use assets	881	782
Allowance for doubtful accounts and net reversal of provision for estimated credit losses	(320)	314
Changes in operating assets and liabilities:
Accounts receivable	(5,936)	(197)
Prepaid expenses and other current assets	782	493
Other long term assets	0	(170)
Accounts payable	(1,135)	(578)
Accrued liabilities	106	160
Operating lease liabilities	(993)	(857)
Deferred revenue	(1,172)	553
Net cash provided by (used in) operating activities	518	(4,321)
Investing activities:
Purchase of property and equipment	(136)	(839)
Net cash used in investing activities	(136)	(839)
Financing activities:
Proceeds from exercise of options	314	252
Finance lease payments	(112)	(108)
Repurchases of common stock	0	(634)
Net cash provided by (used in) financing activities	202	(490)
Increase (decrease) in cash	584	(5,650)
Cash at beginning of period	2,618	10,118
Cash at end of period	3,202	4,468
Non-cash investing activities:
Equipment purchased in accounts payable	$ 428	$ 0