Condensed Consolidated Balance Sheets (unaudited) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
ASSETS
Cash and cash equivalents	$ 5,858	$ 8,192
Short-term investment securities	22,147	22,562
Accounts receivable, net of allowances of $143 and $64 at September 30, 2022 and December 31, 2021, respectively	20,553	18,905
Inventories, net	16,730	13,691
Prepaid expenses and other assets	1,374	1,747
Total current assets	66,662	65,097
Property and equipment, net	10,300	11,949
Goodwill	5,778	6,334
Intangible assets, net	1,058	1,579
Other noncurrent assets	2,636	2,438
TOTAL ASSETS	86,434	87,397
LIABILITIES AND STOCKHOLDERS’ EQUITY
Accounts payable	6,194	5,360
Accrued liabilities	10,618	11,117
Total current liabilities	16,812	16,477
Long-term liabilities	3,533	3,999
Total liabilities	20,345	20,476
Stockholders’ equity:
Common stock, $0.001 par value, 50,000,000 shares authorized at September 30, 2022 and December 31, 2021, respectively, and 18,676,629 and 18,238,030 shares issued and outstanding at September 30, 2022 and December 31, 2021, respectively	19	18
Additional paid-in capital	123,964	123,998
Accumulated deficit	(55,916)	(56,735)
Accumulated other comprehensive loss	(1,978)	(360)
Total stockholders’ equity	66,089	66,921
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 86,434	$ 87,397