Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Cash flows from operating activities:
Net loss	$ (3,467)	$ (5,983)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation and amortization	2,499	2,825
Amortization of operating lease right-of-use assets	174	168
Amortization of deferred financing costs and debt discount	70	83
Change in allowance for credit losses	30	(138)
Stock-based compensation expense	275	677
Loss on disposal of property and equipment	19	24
Inventory write-off	141	0
Loss on debt extinguishment	0	909
Changes in operating assets and liabilities:
Accounts receivable	431	208
Inventories	6	886
Prepaid expenses and other assets	(119)	190
Accounts payable	(466)	351
Accrued expenses and other liabilities	290	211
Deferred revenues	74	(95)
Operating lease liabilities	(170)	(186)
Net cash (used in) provided by operating activities	(213)	130
Cash flows from investing activities:
Purchase of property and equipment	(1,070)	(3,495)
Net cash used in investing activities	(1,070)	(3,495)
Cash flows from financing activities:
Payment of contingent consideration	(18)	0
Proceeds from long-term debt	0	7,000
Payment of deferred financing costs	0	(35)
Net cash (used in) provided by financing activities	(18)	6,965
Net (decrease) increase in cash, cash equivalents and restricted cash	(1,301)	3,600
Cash, cash equivalents and restricted cash at beginning of period	8,118	6,795
Cash, cash equivalents and restricted cash at end of period	6,817	10,395
Cash and cash equivalents	5,483	9,034
Restricted cash	1,334	1,361
Supplemental disclosure of cash flow information:
Cash paid during the year for interest	990	497
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	166	102
Accrued payment of contingent consideration	9	42
Modification of common stock warrants	0	384
Accrued exit fee recorded as debt discount	0	450
Deferred financing costs in accounts payable	$ 0	$ 62