v3.25.2
Unaudited Condensed Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Cash flows from operating activities:    
Net loss $ (5,071) $ (6,069)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation expense 12 5
Amortization of debt issuance costs 120
Stock-based compensation 611 685
Amortization of right-of-use assets 280 320
Change in fair value of warrant liabilities 1,196 (368)
Change in fair value of notes payable (220) 101
Cost from issuance of common stock 372
Issuances of shares for borrowing related costs 241
Changes in operating assets and liabilities:    
Accounts receivable 1,038 51
Inventory (37) (37)
Unbilled revenue
Prepaid expenses 355 203
Other assets 132 (172)
Accounts payable (2,049) (206)
Accrued expenses (663) (1,567)
Deferred revenue (536) (996)
Lease liabilities (276) (364)
Net cash used in operating activities (4,867) (8,042)
Cash flows from financing activities:    
Proceeds from issuance of common stock and warrants, net of issuance costs 3,080 2,667
Proceeds from notes payable, net of borrowing costs 8,260 9,200
Proceeds from notes payable - related party 1,000
Payments for notes payable (1,313) (2,736)
Stock option exercises 158
Net cash provided by financing activities 10,185 10,131
Effect of exchange rate changes on cash 49 (2)
Net increase in cash 5,367 2,087
Cash, beginning of period 5,157 4,790
Cash, end of period 10,524 6,877
Supplemental cash flow information:    
Cash paid for interest 11
Cash paid for taxes 1
Noncash investing and financing activities disclosure:    
Tenant improvement allowance payments made by the lessor directly to a third party (327)
Recognition of Right-of-use assets and related lease liabilities upon lease amendment 1,771
Issuance of common stock to settle notes payable $ 1,192