UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Jul. 31, 2023	Jul. 31, 2022
Operating activities:
Net loss	$ (2,566)	$ (319)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation	423	206
Depreciation and amortization expense	445	528
Operating lease right-of use assets	270	269
Provision for doubtful accounts	162	0
Changes in operating assets and liabilities:
Accounts receivable	(1,099)	158
Prepaid expenses and other current assets	223	186
Other long term assets	(169)	0
Accounts payable	424	(331)
Accrued liabilities	(178)	(456)
Operating lease liabilities	(292)	(250)
Deferred revenue	(1,634)	(186)
Net cash used in operating activities	(3,991)	(195)
Investing activities:
Purchase of property and equipment	(668)	(754)
Net cash used in investing activities	(668)	(754)
Financing activities:
Repurchases of common stock	(602)	0
Proceeds from exercise of options	12	0
Net cash used in financing activities	(590)	0
Decrease in cash	(5,249)	(949)
Cash at beginning of period	10,118	9,007
Cash at end of period	$ 4,869	$ 8,058