Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 7,261	$ 6,784
Restricted cash	1,334	1,334
Accounts receivable, net of allowance for credit losses of $433 and $222 at December 31, 2024 and 2023, respectively	5,253	4,440
Inventories	2,246	2,673
Prepaid expenses and other current assets	501	312
Total current assets	16,595	15,543
Property and equipment, net	10,061	11,778
Operating lease right-of-use assets	1,264	626
Intangible assets, net	5,348	7,319
Goodwill	2,658	6,519
Other assets	231	231
Total assets	36,157	42,016
Current liabilities:
Accounts payable	2,433	3,343
Accrued expenses and other current liabilities	8,593	6,306
Deferred revenues	2,241	2,120
Current portion of operating lease liabilities	328	352
Current portion of contingent consideration	1,030	53
Total current liabilities	14,625	12,174
Long-term debt, net	15,192	15,044
Deferred revenues and other liabilities	353	552
Deferred tax liability	0	186
Operating lease liabilities, net of current portion	919	237
Contingent consideration, net of current portion	96	1,135
Total liabilities	31,185	29,328
Commitments and contingencies (Note 10)
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 December 31, 2024 and 2023, respectively	4	4
Additional paid-in capital	253,112	250,742
Accumulated deficit	(248,144)	(238,058)
Total stockholders' equity	4,972	12,688
Total liabilities and stockholders' equity	$ 36,157	$ 42,016