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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)
$ in Thousands
 9 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Operating Activities:    
Net loss $ (4,771) $ (16,704)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 2,035 2,114
Warranty provision (settlement) 95 (12)
Inventory obsolescence 147 254
Loss on disposition of fixed assets 0 1
Share-based compensation 1,239 1,264
Gain on change in fair value of Warrants (1,810) (4,560)
Loss on change in fair value of Term Loans 2,041 1,380
Loss on issuance of First Amendment Term Loan 0 480
Amortization of operating lease right of use asset 624 570
Accretion of investment of marketable securities 0 (40)
Changes in operating assets and liabilities:    
Accounts receivable (1,288) (1,353)
Contract assets 2,242 (2,846)
Inventories, net (2,835) (4,367)
Prepaid expenses and other (543) (4,793)
Accounts payable 505 3,737
Customer deposit (3,302) 0
Accrued and other liabilities 574 13,604
Net cash used in operating activities (5,047) (11,271)
Investing Activities:    
Purchases of marketable securities 0 (1,401)
Proceeds from maturities of marketable securities 71 9,507
Capital expenditures (41) (213)
Net cash provided by investing activities 30 7,893
Financing Activities:    
Proceeds from issuance of June Term Loan, net of $301 debt issuance cost 3,999 0
Proceeds from exercise of stock options 146 43
Proceeds from issuance of First Amendment Term Loan 0 4,000
Repayment of First Amendment Term Loan principal (4,000) 0
Shares retained for payment of taxes in connection with exercise of stock options (6) 0
Shares retained for payment of taxes in connection with settlement of restricted stock units (1) (18)
Net cash provided by financing activities 138 4,025
Effect of foreign exchange rate on cash (22) 82
Net (decrease) increase in cash, cash equivalents, and restricted cash (4,901) 729
Cash, cash equivalents and restricted cash, beginning of period 8,554 5,290
Cash, cash equivalents and restricted cash, end of period 3,653 6,019
Cash and cash equivalents 3,068 5,339
Restricted cash, current portion 0 95
Long-term restricted cash 585 585
Total cash, cash equivalents and restricted cash shown in the consolidated balance sheets 3,653 6,019
Noncash investing and financing activities:    
Change in unrealized loss on marketable securities 0 (8)
Purchases of property and equipment included in accounts payable and accrued liabilities 0 2
Supplemental disclosure of cash flow information    
Cash paid for interest 1,093 1,124
Cash paid for taxes $ 356 $ 39