Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 7,131	$ 5,434
Restricted cash	1,334	1,361
Accounts receivable, net of allowance for credit losses of $128 and $382 at September 30, 2023 and December 31, 2022, respectively	4,802	4,471
Inventories	6,125	5,547
Prepaid expenses and other current assets	330	691
Total current assets	19,722	17,504
Property and equipment, net	8,256	7,498
Operating lease right-of-use assets	718	975
Intangible assets, net	9,623	17,394
Goodwill	8,803	8,803
Other assets	71	98
Total assets	47,193	52,272
Current liabilities:
Accounts payable	3,157	3,425
Accrued expenses and other current liabilities	5,901	6,555
Deferred revenues	2,385	2,778
Current portion of operating lease liabilities	404	355
Current portion of contingent consideration	178	313
Total current liabilities	12,025	13,426
Long-term debt, net	15,016	7,476
Deferred revenues and other liabilities	585	314
Deferred tax liability	306	306
Operating lease liabilities, net of current portion	282	610
Contingent consideration, net of current portion	2,786	8,309
Total liabilities	31,000	30,441
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; 34,913,886 and 34,723,046 shares issued and outstanding at September 30, 2023 and December 31, 2022, respectively	35	35
Additional paid-in capital	250,422	249,024
Accumulated deficit	(234,264)	(227,228)
Total stockholders' equity	16,193	21,831
Total liabilities and stockholders' equity	$ 47,193	$ 52,272