CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 11,605	$ 7,946
Accounts receivable, net	12,184	13,927
Employee retention credit receivable	0	1,500
Inventories	17,559	12,028
Other current assets	1,306	724
Total current assets	42,654	36,125
Fixed assets, net of accumulated depreciation of $18,300 and $17,656, respectively	2,653	2,781
Right-of-use assets, net	1,824	2,488
Goodwill	2,621	2,621
Deferred tax assets	6,589	7,327
Intangible assets, net of accumulated amortization of $1,480 and $1,364, respectively	126	242
Other assets	198	248
Total noncurrent assets	14,011	15,707
Total assets	56,665	51,832
Current liabilities:
Revolving loan payable	2,250	2,250
Accounts payable	6,239	7,395
Accrued liabilities	5,723	4,077
Lease liabilities	915	875
Deferred revenue	977	1,329
Total current liabilities	16,104	15,926
Deferred revenue, net of current portion	201	143
Lease liabilities, net of current portion	965	1,683
Other liabilities	221	218
Total noncurrent liabilities	1,387	2,044
Total liabilities	17,491	17,970
Commitments and contingencies (see Notes 5 and 7)
Shareholders' equity:
Common stock, $0.01 par value, 20,000,000 shares authorized; 14,002,960 and 13,956,725 shares issued, respectively; 9,958,118 and 9,911,883 shares outstanding, respectively	140	139
Additional paid-in capital	56,807	56,282
Retained earnings	14,440	9,630
Accumulated other comprehensive loss, net of tax	(103)	(79)
Treasury stock, at cost (4,044,842 shares)	(32,110)	(32,110)
Total shareholders' equity	39,174	33,862
Total liabilities and shareholders' equity	$ 56,665	$ 51,832