CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 10,756	$ 7,946
Accounts receivable, net	14,441	13,927
Employee retention credit receivable	0	1,500
Inventories	15,408	12,028
Other current assets	707	724
Total current assets	41,312	36,125
Fixed assets, net of accumulated depreciation of $18,193 and $17,656, respectively	2,838	2,781
Right-of-use asset, net	2,053	2,488
Goodwill	2,621	2,621
Deferred tax assets	6,565	7,327
Intangible assets, net of accumulated amortization of $1,441 and $1,364, respectively	165	242
Other assets	333	248
Total noncurrent assets	14,575	15,707
Total assets	55,887	51,832
Current liabilities:
Current portion of revolving loan payable	2,250	2,250
Accounts payable	6,321	7,395
Accrued liabilities	5,511	4,077
Lease liability	904	875
Deferred revenue	1,222	1,329
Total current liabilities	16,208	15,926
Deferred revenue, net of current portion	152	143
Lease liability, net of current portion	1,210	1,683
Other liabilities	227	218
Total noncurrent liabilities	1,589	2,044
Total liabilities	17,797	17,970
Commitments and contingencies (see Notes 5 and 7)
Shareholders' equity:
Common stock, $0.01 par value, 20,000,000 shares authorized; 14,001,935 and 13,956,725 shares issued, respectively; 9,957,093 and 9,911,883 shares outstanding, respectively	140	139
Additional paid-in capital	56,594	56,282
Retained earnings	13,534	9,630
Accumulated other comprehensive loss, net of tax	(68)	(79)
Treasury stock, at cost (4,044,842 shares)	(32,110)	(32,110)
Total shareholders' equity	38,090	33,862
Total liabilities and shareholders' equity	$ 55,887	$ 51,832