CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
CURRENT ASSETS:
Cash and cash equivalents	$ 11,510	$ 14,190
Trade accounts receivable, net of allowance for doubtful accounts of $147 and $89, respectively	4,992	3,995
Inventories	6,751	6,351
Other current assets	645	737
TOTAL CURRENT ASSETS	23,898	25,273
Property, plant and equipment - net	1,072	946
Other assets	2,195	2,838
TOTAL ASSETS	27,165	29,057
CURRENT LIABILITIES:
Accounts payable	1,366	1,373
Accrued compensation	1,670	2,496
Deferred revenue	1,575	1,507
Other accrued liabilities	1,596	1,413
Income taxes payable	112	0
TOTAL CURRENT LIABILITIES	6,319	6,789
Operating lease liabilities	1,500	2,277
Long-term other payables	237	138
COMMITMENTS	0	0
STOCKHOLDERS' EQUITY
Preferred stock Authorized, 5,000,000 shares, including 200,000 shares of Series A Junior Participating Issued and outstanding, none	0	0
Common stock, at stated value Authorized, 30,000,000 shares Issued and outstanding, 8,816,381 shares as of December 31, 2022 and 8,621,007 shares as of December 31, 2021	21,897	20,886
Accumulated earnings (deficit)	(3,131)	(2,011)
Accumulated other comprehensive income	343	978
TOTAL STOCKHOLDERS' EQUITY	19,109	19,853
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 27,165	$ 29,057