Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 6,512	$ 7,261
Restricted cash	1,334	1,334
Accounts receivable, net of allowance for credit losses of $548 and $433 at March 31, 2025 and December 31, 2024, respectively	5,007	5,253
Inventories	2,659	2,246
Prepaid expenses and other current assets	364	501
Total current assets	15,876	16,595
Property and equipment, net	9,462	10,061
Operating lease right-of-use assets	1,179	1,264
Intangible assets, net	4,856	5,348
Goodwill	2,658	2,658
Other assets	231	231
Total assets	34,262	36,157
Current liabilities:
Accounts payable	2,816	2,433
Accrued expenses and other current liabilities	8,779	8,593
Deferred revenues	2,204	2,241
Current portion of operating lease liabilities	331	328
Current portion of contingent consideration	1,009	1,030
Total current liabilities	15,139	14,625
Long-term debt, net	15,231	15,192
Deferred revenues and other liabilities	292	353
Operating lease liabilities, net of current portion	835	919
Contingent consideration, net of current portion	96	96
Total liabilities	31,593	31,185
Commitments and contingencies (Note 13)
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 shares issued and outstanding at both March 31, 2025 and December 31, 2024	4	4
Additional paid-in capital	253,241	253,112
Accumulated deficit	(250,576)	(248,144)
Total stockholders' equity	2,669	4,972
Total liabilities and stockholders' equity	$ 34,262	$ 36,157