v3.26.1
Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Cash flows from operating activities:    
Net loss $ (12,273) $ (11,264)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation expense 169 172
Noncash interest expense 238 151
Amortization of intangible assets 95 95
Net changes in operating lease ROU assets and liabilities (21) (26)
Inventory excess and obsolescence charge 935 630
Stock-based compensation expense 816 1,044
Income tax expense 60 52
Loss on disposal of fixed assets 18  
Change in operating assets and liabilities:    
Accounts receivable, net 593 (402)
Inventory (2,158) (1,346)
Prepaid expenses and other current and long-term assets 231 180
Accounts payable 1,593 1,853
Accrued expenses and other current and long-term liabilities (1,498) (930)
Foreign currency transaction loss 32 66
Net cash used in operating activities (11,170) (9,725)
Cash flows from investing activities:    
Purchase of property and equipment (119) (32)
Proceeds from the sale of product line 309 170
Net cash provided by investing activities 190 138
Cash flows from financing activities:    
Payment of accrued offering costs (247)  
Vesting of restricted stock units 1 1
Payment of withholding taxes related to stock-based compensation to employees (79) (177)
Proceeds from issuance of common stock under the employee stock purchase plan 27 60
Net cash used in financing activities (298) (116)
Effect of exchange rate on cash and cash equivalents (26) (134)
Net decrease in cash and cash equivalents and restricted cash (11,304) (9,837)
Cash and cash equivalents and restricted cash, beginning of period 51,095 52,935
Cash and cash equivalents and restricted cash, end of period 39,791 43,098
Supplemental disclosure of cash flow information:    
Cash paid during the period for interest $ 1,815 $ 1,370