CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current Assets:
Cash And Cash Equivalents	$ 6,357	$ 10,580
Trade Accounts Receivable, Net	4,763	8,229
Inventories, Net	21,091	16,978
Prepaid Expenses And Other Current Assets	2,538	1,634
Total Current Assets	34,749	37,421
Property, Plant And Equipment, Net	4,559	4,556
Right-of-use (rou) Asset	2,299	2,399
Investment In Securities	1,299	1,795
Deferred Tax Assets, Net	4,116	4,116
Other Assets	97	98
Total Assets	47,119	50,385
Current Liabilities:
Accounts Payable	7,254	5,883
Accrued Compensation And Related Taxes	1,450	1,099
Accrued Warranty Expense	512	533
Accrued Other Expenses And Other Current Liabilities	551	938
Dividends Payable	0	505
Short-term Lease Liability	457	447
Credit Facility	1,458	1,470
Notes Payable-current Portion	269	267
Deferred Revenues	1,085	1,045
Total Current Liabilities	13,036	12,187
Notes Payable, Net Of Current Portion	537	605
Long-term Lease Liability	2,151	2,269
Deferred Revenue	2,558	2,706
Total Liabilities	18,282	17,767
Stockholders' Equity:
Preferred Stock; $1.00 Par Value; 1,000,000 Authorized Shares; None Issued Or Outstanding	0	0
Common Stock; $.60 Par Value; 50,000,000 Authorized Shares; 18,314,999 And 18,298,999 Issued And 16,864,599 And 16,848,599 Outstanding Shares At March 31, 2022, And December 31, 2021, Respectively	10,989	10,979
Additional Paid-in Capital	36,007	35,862
Accumulated Deficit	(12,757)	(8,821)
Treasury Stock, At Cost, 1,450,400 Shares At March 31, 2022, And December 31, 2021, Respectively	(5,402)	(5,402)
Total Stockholders' Equity	28,837	32,618
Total Liabilities And Stockholders' Equity	$ 47,119	$ 50,385