CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 20,804	$ 16,650
Restricted cash	363	487
Accounts receivable, net of allowances of $2,666 and $2,745 as of September 30, 2022 and December 31, 2021, respectively	21,136	24,826
Inventories	30,609	28,958
Prepaid expenses and other current assets	4,361	4,177
Total current assets	77,273	75,098
Property and equipment, net	7,595	6,719
Operating lease right-of-use assets	4,344	4,373
Intangible assets, net	4,999	5,265
Goodwill	10,192	10,190
Other assets	1,148	1,120
Total assets	105,551	102,765
Current liabilities:
Accounts payable	9,926	14,760
Financial liabilities, net of debt issuance costs	9,941
Operating lease liabilities	1,199	1,190
Deferred revenue	1,798	2,068
Accrued compensation and related benefits	2,395	2,757
Other accrued expenses and liabilities	2,648	2,618
Total current liabilities	27,907	23,393
Long-term operating lease liabilities	3,371	3,366
Long-term deferred revenue	647	587
Other long-term liabilities	25	25
Total liabilities	31,950	27,371
Commitments and contingencies (see Note 15)
Stockholders' equity:
Preferred stock, $0.001 par value: 10,000 shares authorized; 5,000 shares issued and outstanding as of March 31, 2023 and December 31, 2022	5	5
Common stock, $0.001 par value: 50,000 shares authorized; 24,246 and 24,168 sharesissued and 22,677 and 22,623 shares outstanding as of March 31, 2023 and December 31, 2022, respectively	24	24
Additional paid-in capital	496,808	495,818
Treasury stock, 1,569 and 1,545 shares as of March 31, 2023 and December 31, 2022,respectively	(12,357)	(12,173)
Accumulated deficit	(412,100)	(409,381)
Accumulated other comprehensive income	1,221	1,101
Total stockholders' equity	73,601	75,394
Total liabilities and stockholders' equity	$ 105,551	$ 102,765