CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 12,321	$ 7,946
Accounts receivable (net of allowance for expected credit losses of $768 and $351)	9,824	13,927
Employee retention credit receivable	0	1,500
Inventories	17,759	12,028
Prepaid income taxes	322	0
Other current assets	773	724
Total current assets	40,999	36,125
Fixed assets, net	2,421	2,781
Right-of-use assets	1,602	2,488
Goodwill	2,621	2,621
Deferred tax assets	6,304	7,327
Intangible assets, net	88	242
Other assets	163	248
Total noncurrent assets	13,199	15,707
Total assets	54,198	51,832
Current liabilities:
Revolving loan payable	2,250	2,250
Accounts payable	4,431	7,395
Accrued liabilities	4,947	4,077
Lease liabilities	929	875
Deferred revenue	1,079	1,329
Total current liabilities	13,636	15,926
Deferred revenue, net of current portion	209	143
Lease liabilities, net of current portion	720	1,683
Other liabilities	219	218
Total noncurrent liabilities	1,148	2,044
Total liabilities	14,784	17,970
Commitments and contingencies (see Notes 8 and 14)
Shareholders' equity:
Preferred stock	0	0
Common stock, $0.01 par value, 20,000,000 authorized at December 31, 2023 and 2022; 14,003,653 and 13,956,725 shares issued; 9,958,811 and 9,911,883 shares outstanding, at December 31, 2023 and 2022, respectively	140	139
Additional paid-in capital	57,055	56,282
Retained earnings	14,378	9,630
Accumulated other comprehensive loss, net of tax	(49)	(79)
Treasury stock, 4,044,842 shares, at cost	(32,110)	(32,110)
Total shareholders' equity	39,414	33,862
Total liabilities and shareholders' equity	54,198	51,832
Series A Preferred Stock [Member]
Shareholders' equity:
Preferred stock	$ 0	$ 0