CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current Assets:
Cash And Cash Equivalents	$ 12,296	$ 14,190
Trade Accounts Receivable, Net Of Allowance For Doubtful Accounts Of $73 And $89, Respectively	3,055	3,995
Inventories	6,625	6,351
Other Current Assets	817	737
Total Current Assets	22,793	25,273
Property, Plant And Equipment - Net	953	946
Other Assets	2,742	2,838
Total Assets	26,488	29,057
Current Liabilities:
Accounts Payable	1,463	1,373
Accrued Compensation	1,526	2,496
Deferred Revenue	1,466	1,507
Other Accrued Liabilities	1,439	1,413
Income Taxes Payable	3	0
Total Current Liabilities	5,897	6,789
Operating Lease Liabilities	2,138	2,277
Long-term Other Payables	193	138
Commitments	0	0
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, 8,622,369 Shares As Of March 31, 2022 And 8,621,007 Shares As Of December 31, 2021	21,183	20,886
Accumulated Earnings (deficit)	(3,831)	(2,011)
Accumulated Other Comprehensive Income	908	978
Total Stockholders' Equity	18,260	19,853
Total Liabilities And Stockholders' Equity	$ 26,488	$ 29,057