Unaudited Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Current assets
Cash and cash equivalents, including restricted cash of $152 for both periods presented	$ 55,616	$ 44,660
Trade receivables, net of allowances of $102 and $95, respectively	7,052	7,768
Inventories	11,185	9,192
Prepaid expenses and other assets	2,365	2,482
Total current assets	76,218	64,102
Leasehold improvements and equipment, net	1,655	1,719
Intangible assets, net	322	359
Right-of-use assets, net	2,684	1,730
Other long-term assets	458	368
Total assets	81,337	68,278
Current liabilities
Accounts payable	10,632	8,526
Accrued expenses	9,050	7,817
Current maturities of operating lease obligations	939	982
Current maturities of finance lease obligations	9	12
Customer deposits	207	611
Total current liabilities	20,837	17,948
Deferred revenue	2,579	2,579
Operating lease obligations, less current maturities	2,576	1,657
Total liabilities	25,992	22,184
Commitments and Contingencies (Note 10)
Stockholders' Equity
Common stock, $0.001 par value; authorized 150,000 shares; 78,433 shares and 77,330 shares issued and outstanding at March 31, 2025 and December 31, 2024, respectively	78	77
Additional paid-in capital	232,119	227,931
Accumulated deficit	(176,847)	(181,910)
Cumulative translation adjustments	(5)	(4)
Total stockholders' equity	55,345	46,094
Total liabilities and stockholders' equity	$ 81,337	$ 68,278