CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 11,994	$ 19,457
Accounts receivable, net	6,882	7,593
Employee retention credit receivable	1,500	1,500
Inventories	9,048	7,720
Prepaid income taxes	142	137
Other current assets	1,579	738
Total current assets	31,145	37,145
Fixed assets, net of accumulated depreciation of $- and $16,736, respectively	3,100	2,684
Right-of-use asset	2,349	2,553
Goodwill	2,621	2,621
Deferred tax assets	6,402	5,141
Intangible assets, net of accumulated amortization of $- and $1,209, respectively	358	397
Other assets	308	400
Total noncurrent assets	15,138	13,796
Total assets	46,283	50,941
Current liabilities:
Accounts payable	3,997	4,308
Accrued liabilities	3,631	3,894
Lease liability	744	789
Deferred revenue	823	805
Total current liabilities	9,195	9,796
Deferred revenue, net of current portion	171	186
Lease liability, net of current portion	1,617	1,781
Other liabilities	187	187
Total noncurrent liabilities	1,975	2,154
Total liabilities	11,170	11,950
Shareholders' equity:
Common stock, $0.01 par value, 20,000,000 shares authorized; - and 13,917,731 shares issued, respectively; - and 9,872,889 shares outstanding, respectively	139	139
Additional paid-in capital	55,423	55,246
Retained earnings	11,560	15,573
Accumulated other comprehensive income (loss), net of tax	101	143
Treasury stock, at cost, 4,044,842 shares	(32,110)	(32,110)
Total shareholders' equity	35,113	38,991
Total liabilities and shareholders' equity	$ 46,283	$ 50,941