Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Cash Flows (Unaudited)

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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Operating activities:    
Net loss $ (3,429) $ (4,389)
Adjustments to reconcile net loss to net cash used in operating activities    
Depreciation and amortization 406 414
Changes in provision for credit losses on accounts receivable (12) 1
(Gain) loss on revaluation of warrant liabilities (342) 26
Stock-based compensation expense 376 424
Loss on modification of warrant 109 0
Common stock contribution to 401(k) plan 29 93
Unrealized loss (gain) on foreign currency transactions 349 (217)
Changes in operating assets and liabilities:    
Accounts receivable (214) (202)
Inventories (80) (375)
Prepaid expenses and other assets, current and noncurrent 36 (134)
Accounts payable 32 (110)
Accrued, lease and other liabilities, current and noncurrent (723) (248)
Deferred revenues (3) 503
Net cash used in operating activities (3,466) (4,214)
Investing activities:    
Acquisition of property and equipment (8) (42)
Net cash used in investing activities (8) (42)
Financing activities:    
Principal payments under note payable (313) 0
Proceeds from issuance of common stock, net 3,970 0
Net cash provided by financing activities 3,657 0
Effect of exchange rate changes on cash (22) 8
Net increase (decrease) in cash 161 (4,248)
Cash and restricted cash at beginning of period 8,638 20,525
Cash and restricted cash at end of period 8,799 16,277
Supplemental disclosure of cash flow activities    
Cash paid for interest 48 47
Supplemental disclosure of non-cash activities    
Transfer of inventory to (from) property and equipment 16 (96)
Share issuance for common stock contribution to 401(k) plan $ 237 $ 0