v3.26.1
Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Cash Flows from Operating Activities    
Net loss $ (1,929) $ (7,173)
Adjustments to reconcile net loss to net cash used in operating activities:    
Stock-based compensation expense 1,651 2,347
Depreciation and amortization 790 866
Changes in fair value of derivative liabilities (171) (214)
Non-cash interest expense 107 219
Inventory write-down 0 (351)
Changes in operating assets and liabilities:    
Inventory (1,037) 1,013
Prepaids and other assets 2,228 409
Accounts payable (2,520) (2,912)
Accrued expenses 89 (87)
Deferred revenue 1,873 (349)
Operating lease right-of-use assets and liabilities (455) 625
Other liabilities (34) (278)
Net cash provided by (used in) operating activities 592 (5,885)
Cash Flows from Investing Activities    
Cash paid for acquisitions 0 (2,848)
Purchase of property and equipment (451) (972)
Net cash used in investing activities (451) (3,820)
Cash Flows from Financing Activities    
Payment of issuance costs related to preferred stock and SEPA 0 (15)
Payment on finance agreement (267) 0
Payments related to stock-based award activities, net (371) (774)
Proceeds from issuance under employee stock purchase plan 117 141
Net cash used in financing activities (521) (648)
Net decrease in cash, cash equivalents and restricted cash (380) (10,353)
Cash, cash equivalents and restricted cash at beginning of period 11,792 24,304
Cash, cash equivalents and restricted cash at end of period 11,412 13,951
Supplemental Disclosure    
Cash paid for taxes 28 29
Cash paid for interest 337 448
Supplemental Disclosure of Non-Cash Investing and Financing Activities    
Purchase of property and equipment in accounts payable and accrued liabilities 135 0
Debt issuance costs in accounts payable and accrued liabilities 0 34
Costs of debt extinguishment in accrued liabilities 0 77
Financing agreement entered into for prepaid insurance 683 0
Reconciliation of cash, cash equivalents, and restricted cash:    
Cash and cash equivalents 8,345 10,049
Restricted cash, current 2,065 2,900
Restricted cash, noncurrent 1,002 1,002
Total cash, cash equivalents and restricted cash $ 11,412 $ 13,951