Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 7,062	$ 6,784
Restricted cash	1,334	1,334
Accounts receivable, net of allowance for credit losses of $159 and $222 at September 30, 2024 and December 31, 2023, respectively	4,443	4,440
Inventories	2,744	2,673
Prepaid expenses and other current assets	297	312
Total current assets	15,880	15,543
Property and equipment, net	10,387	11,778
Operating lease right-of-use assets	1,348	626
Intangible assets, net	5,840	7,319
Goodwill	6,519	6,519
Other assets	231	231
Total assets	40,205	42,016
Current liabilities:
Accounts payable	1,749	3,343
Accrued expenses and other current liabilities	8,524	6,306
Deferred revenues	2,421	2,120
Current portion of operating lease liabilities	322	352
Current portion of contingent consideration	1,030	53
Total current liabilities	14,046	12,174
Long-term debt, net	15,153	15,044
Deferred revenues and other liabilities	379	552
Deferred tax liability	186	186
Operating lease liabilities, net of current portion	1,002	237
Contingent consideration, net of current portion	96	1,135
Total liabilities	30,862	29,328
Commitments and contingencies (Note 14)
Stockholders' equity:
Series C convertible preferred stock, $0.10 par value; 10,000,000 shares authorized, no shares issued and outstanding	0	0
Common stock, $0.001 par value; 150,000,000 shares authorized; 4,171,161 and 3,506,025 shares issued and outstanding at September 30, 2024 and December 31, 2023, respectively	4	4
Additional paid-in capital	252,986	250,742
Accumulated deficit	(243,647)	(238,058)
Total stockholders' equity	9,343	12,688
Total liabilities and stockholders' equity	$ 40,205	$ 42,016