CONSOLIDATED BALANCE SHEETS - USD ($)	Jun. 30, 2022	Dec. 31, 2021
CURRENT ASSETS:
Cash and cash equivalents	$ 10,291,000	$ 14,190,000
Trade accounts receivable, net of allowance for doubtful accounts of $83 and $89, respectively	4,165,000	3,995,000
Inventories	6,925,000	6,351,000
Other current assets	575,000	737,000
TOTAL CURRENT ASSETS	21,956,000	25,273,000
Property, plant and equipment - net	1,040,000	946,000
Other assets	2,542,000	2,838,000
TOTAL ASSETS	25,538,000	29,057,000
CURRENT LIABILITIES:
Accounts payable	1,848,000	1,373,000
Accrued compensation	1,557,000	2,496,000
Deferred revenue	1,252,000	1,507,000
Other accrued liabilities	1,374,000	1,413,000
Income taxes payable	60,000	0
TOTAL CURRENT LIABILITIES	6,091,000	6,789,000
Operating lease liabilities	1,897,000	2,277,000
Long-term other payables	198,000	138,000
COMMITMENTS	0	0
STOCKHOLDERS' EQUITY
Preferred stock - Authorized, 5,000,000 shares, including 200,000 shares of Series A Junior Participating	0	0
Common stock, at stated value - Authorized, 30,000,000 shares Issued and outstanding, 8,814,279 shares as of June 30, 2022 and 8,621,007 shares as of December 31, 2021	21,386,000	20,886,000
Accumulated earnings (deficit)	(4,488,000)	(2,011,000)
Accumulated other comprehensive income	454,000	978,000
TOTAL STOCKHOLDERS' EQUITY	17,352,000	19,853,000
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 25,538,000	$ 29,057,000