v3.25.2
Consolidated Statements of Cash Flows - USD ($)
 12 Months Ended
Apr. 30, 2025
Apr. 30, 2024
Cash flows from operating activities:    
Net loss $ (21,511,000) $ (27,483,000)
Adjustments to reconcile net loss to net cash used in operating activities:    
Foreign exchange loss/(gain) 45,000 (2,000)
Depreciation of fixed assets 771,000 420,000
Amortization of intangible assets 132,000 148,000
Amortization of right-of-use assets 853,000 593,000
(Accretion of discount)/amortization of premium on investments (290,000)
Change in contingent consideration liability (72,000)
Loss on disposal of assets 210,000
Stock based compensation 4,603,000 1,155,000
Loss on extinguishment of debt 838,000
Loss on disposal of property and equipment 111,000
Changes in operating assets and liabilities, net of acquisitions:    
Accounts receivable (395,000) (51,000)
Contract assets (1,070,000) 134,000
Inventory 230,000 (3,787,000)
Other assets 1,347,000 (753,000)
Accounts payable (2,798,000) 2,414,000
Accrued expenses (515,000) (309,000)
Earn out payable (200,000) (500,000)
Right-of-use liabilities (773,000) (514,000)
Contract liabilities (302,000) (1,076,000)
Net cash used in operating activities (18,634,000) (29,763,000)
Cash flows from investing activities:    
Redemptions of short-term investments 35,975,000
Purchases of short-term investments (7,894,000)
Purchases of property and equipment (505,000) (2,585,000)
Net cash (used in)/provided by investing activities (505,000) 25,496,000
Cash flows from financing activities:    
Cash paid for tax withholding related to shares withheld (649,000) (14,000)
Proceeds from convertible notes 3,173,000
Proceeds from issuance of common stock - At The Market offering, net of issuance costs 17,729,000 483,000
Proceeds from issuance of common stock - Capital Raise, net of issuance costs 2,450,000
Net cash provided by/(used in) financing activities 22,703,000 469,000
Effect of exchange rate changes on cash, cash equivalents and restricted cash
Net decrease in cash, cash equivalents and restricted cash 3,564,000 (3,798,000)
Cash, cash equivalents and restricted cash, beginning of year 3,305,000 7,103,000
Cash, cash equivalents and restricted cash, end of year 6,869,000 3,305,000
Supplemental disclosure of noncash investing and financing activities:    
Common stock issued related to bonus and earnout payments 630,000 1,250,000
Common stock issued related to conversion of convertible debt 15,000
Operating right of use asset obtained in exchange for operating lease liability $ 1,247,000