Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Cash flows from operating activities:
Net loss	$ (5,589)	$ (7,036)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	3,738	4,274
Amortization of operating lease right-of-use assets	255	257
Amortization of deferred financing costs and debt discount	109	112
Change in allowance for credit losses	(40)	(205)
Stock-based compensation expense	301	1,014
Loss on disposal of property and equipment	38	55
Inventory write-off	141	0
Loss on debt extinguishment	0	909
Changes in operating assets and liabilities:
Accounts receivable	37	(126)
Inventories	14	(209)
Prepaid expenses and other assets	15	388
Accounts payable	(1,638)	(268)
Accrued expenses and other liabilities	2,176	(611)
Deferred revenues	170	(165)
Operating lease liabilities	(242)	(279)
Net cash used in operating activities	(515)	(1,890)
Cash flows from investing activities:
Purchase of property and equipment	(1,132)	(3,301)
Net cash used in investing activities	(1,132)	(3,301)
Cash flows from financing activities:
Payment of contingent consideration	(18)	(42)
Proceeds from long-term debt	0	7,000
Issuance of stock	1,943	0
Payment of deferred financing costs	0	(97)
Net cash provided by financing activities	1,925	6,861
Net increase in cash, cash equivalents and restricted cash	278	1,670
Cash, cash equivalents and restricted cash at beginning of period	8,118	6,795
Cash, cash equivalents and restricted cash at end of period	8,396	8,465
Cash and cash equivalents	7,062	7,131
Restricted cash	1,334	1,334
Supplemental disclosure of cash flow information:
Cash paid during the year for interest	1,490	917
Supplemental schedule of non-cash operating, investing and financing activities:
Operating lease right-of-use assets obtained in exchange for operating lease liabilities	977	0
Transfer of property and equipment to inventories	226	234
Accrued payment of contingent consideration	44	0
Modification of common stock warrants	0	384
Accrued exit fee recorded as debt discount	150	450
Change in intangible assets and fair value of contingent consideration	$ 0	$ 5,616