CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2025	Apr. 30, 2024
Operating activities:
Net income (loss)	$ 4,701	$ (7,276)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Stock-based compensation expense	654	1,118
Depreciation and amortization expense	1,640	1,867
Net loss on disposal of equipment	293	435
Decrease in uncertain tax position	(181)	0
Operating lease right-of-use assets	1,172	1,066
Allowance and estimated credit losses	(272)	476
Changes in operating assets and liabilities:
Accounts receivable	(1,436)	(1,991)
Prepaid expenses and other current assets	144	(167)
Other long term assets	0	(169)
Accounts payable	(1,749)	465
Accrued liabilities	395	(109)
Operating lease liabilities	(1,324)	(1,169)
Deferred revenue	3,349	(683)
Net cash provided by (used in) operating activities	7,386	(6,137)
Investing activities:
Purchase of property and equipment	(389)	(836)
Net cash used in investing activities	(389)	(836)
Financing activities:
Proceeds from exercise of options	320	253
Repurchases of common stock	0	(634)
Finance lease payments	(150)	(146)
Net cash provided by (used in) financing activities	170	(527)
Increase (decrease) in cash	7,167	(7,500)
Cash, beginning of year	2,618	10,118
Cash, end of year	9,785	2,618
Non-cash investing activities:
Equipment purchased in accounts payable	$ 197	$ 0