v3.26.1
CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 12 Months Ended
Apr. 30, 2026
Apr. 30, 2025
Operating activities:    
Net income (loss) $ (1,175) $ 4,701
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:    
Stock-based compensation expense 1,237 654
Depreciation and amortization expense 1,377 1,640
Loss on sale and disposal of equipment 111 293
Decrease in uncertain tax position 0 (181)
Operating lease right-of-use assets 1,383 1,172
Gain on termination of operating lease (9) 0
Allowance and estimated credit losses 28 (272)
Changes in operating assets and liabilities:    
Accounts receivable (2,002) (1,436)
Prepaid expenses and other current assets 200 144
Other long term assets (16) 0
Accounts payable 2,558 (1,749)
Accrued liabilities 37 395
Operating lease liabilities (1,586) (1,324)
Deferred revenue (6,615) 3,349
Net cash provided by (used in) operating activities (4,472) 7,386
Investing activities:    
Purchase of property and equipment (564) (389)
Proceeds from sale of equipment 24 0
Net cash used in investing activities (540) (389)
Financing activities:    
Proceeds from exercise of options 234 320
Finance lease payments (135) (150)
Net cash provided by financing activities 99 170
Increase (decrease) in cash (4,913) 7,167
Cash, beginning of year 9,785 2,618
Cash, end of year 4,872 9,785
Non-cash investing activities:    
Equipment purchased in accounts payable $ 98 $ 197