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Unaudited Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Cash flows from operating activities:    
Net income (loss) $ 1,474 $ (8,120)
Adjustments to reconcile net income (loss) to cash used in operating activities:    
Depreciation, amortization and accretion 1,427 1,843
Stock-based compensation expense 173 725
Derivative warrant liabilities (gain) loss (2,880) 5,907
Amortization of debt discount and issuance costs 27 148
Inventory write-down 68 51
Other non-cash adjustments (468) (6)
Non-cash adjustments from discontinued operations (157) 592
Changes in operating assets and liabilities:    
Accounts receivable, net 478 (1,684)
Inventories 334 (1,121)
Prepaid expenses and other current assets 119 467
Accounts payable 3,143 946
Accrued liabilities (4,969) (4,827)
Other operating assets and liabilities, net 101 3,744
Changes in operating assets and liabilities from discontinued operations (60) 1,124
Net cash used in operating activities (1,190) (211)
Cash flows from investing activities:    
Cash received from sales of fixed assets 517 0
Cash payments for fixed asset purchases (136) 0
Other investing activities 0 (76)
Net cash provided by (used in) investing activities 381 (76)
Cash flows from financing activities:    
Net proceeds received from (payments made on) revolving credit facility 1,875 (348)
Payment made to fixed payment arrangements (500) (2,204)
Payment of stock issuance costs 0 (160)
Payments made to borrowings (464) (22)
Net cash provided by (used in) financing activities 911 (2,734)
Net change in cash and cash equivalents 102 (3,021)
Cash and cash equivalents at beginning of period 20,006 22,985
Cash and cash equivalents at end of period 20,108 19,964
Supplemental disclosure of cash flow information:    
Cash paid for interest 366 1,359
Cash paid for income taxes 446 246
Non-cash investing and financing activities:    
Other non-cash investing and financing activities $ 483 $ 0