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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Jun. 30, 2025
Dec. 31, 2024
Jun. 30, 2024
Dec. 31, 2023
Jun. 30, 2025
Jun. 30, 2024
Sep. 30, 2024
Operating Activities:              
Net loss $ (6,487) $ (4,078) $ (6,682) $ (6,724) $ (16,704) $ (20,344)  
Adjustments to reconcile net loss to net cash used in operating activities:              
Depreciation and amortization         2,114 2,193  
Warranty provision         (12) (56)  
Inventory obsolescence         254 139  
Loss on disposition of fixed assets         1 6  
Stock-based compensation         1,264 1,269  
Partial release of valuation allowance         0 (525)  
Gain on change in fair value of warrants         (4,560) (21)  
Loss on change in fair value of Term Loans         1,380 124  
Loss on issuance of First Amendment Term Loan         480 0  
Amortization of operating lease right of use asset         570 584  
Accretion of acquisition holdback liability         0 15  
Remeasurement of acquisition contingent consideration         0 (16)  
Accretion of investment of marketable securities         (40) 0  
Changes in operating assets and liabilities:              
Accounts receivable, net         (1,353) 434  
Contract assets         (2,846) 0  
Inventories, net         (4,367) (952)  
Prepaid expenses and other         (4,793) (3,995)  
Accounts payable         3,737 1,776  
Accrued and other liabilities         13,604 (641)  
Net cash used in operating activities         (11,271) (20,010)  
Investing Activities:              
Purchases of marketable securities         (1,401) (11,796)  
Proceeds from maturities of marketable securities         9,507 9,240  
Cash paid for acquisitions net of cash acquired         0 (908)  
Cash paid for asset purchase holdback liability         0 (764)  
Capital expenditures         (213) (161)  
Net cash provided by (used in) investing activities         7,893 (4,389)  
Financing Activities:              
Proceeds from issuance of Close Date Term Loan and warrants, net of issuance cost         0 13,698  
Proceeds from issuance of First Amendment Term Loan         4,000 0  
Proceeds from exercise of stock options         43 0  
Proceeds from offering of common stock, net of issuance costs         0 10,449  
Payment of contingent consideration         0 (219)  
Shares retained for payment of taxes in connection with settlement of restricted stock units         (18) (12)  
Net cash provided by financing activities         4,025 23,916  
Effect of foreign exchange rate on cash         82 (18)  
Net increase (decrease) in cash, cash equivalents, and restricted cash         729 (501)  
Cash, cash equivalents and restricted cash, beginning of period   $ 5,290   $ 9,519 5,290 9,519 $ 9,519
Cash, cash equivalents and restricted cash, end of period 6,019   9,018   6,019 9,018 5,290
Cash and cash equivalents 5,339   8,672   5,339 8,672 4,945
Restricted cash, current portion 95   0   95 0  
Long-term restricted cash 585   346   585 346  
Total cash, cash equivalents and restricted cash shown in the consolidated balance sheets $ 6,019   $ 9,018   6,019 9,018 5,290
Noncash investing and financing activities:              
Change in unrealized (loss) gain on marketable securities         (8) 8  
Purchases of property and equipment included in accounts payable and accrued liabilities         2 0  
Accrued term loan and warrant issuance cost not paid         0 (119)  
Supplemental disclosure of cash flow information              
Cash paid for interest         1,124 0  
Cash paid for taxes         39 0  
Evertel Technologies, LLC [Member]              
Adjustments to reconcile net loss to net cash used in operating activities:              
Remeasurement of acquisition contingent consideration         16    
Financing Activities:              
Payment of contingent consideration         (219)   $ (219)
Noncash investing and financing activities:              
Obligation to issue common stock in connection with the Evertel acquisition         0 (685)  
Shares issued         0 (1,924)  
Holdback liability payable in connection with the Evertel acquisition         0 (245)  
Evertel Technologies, LLC [Member] | Contingent Consideration Liability [Member]              
Noncash investing and financing activities:              
Shares issued         $ 0 $ (656)