CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 1,918	$ 10,580
Trade accounts receivable, net	10,616	8,229
Inventories, net	22,105	16,978
Prepaid expenses and other current assets	1,578	1,634
Total current assets	36,217	37,421
Property, plant and equipment, net	4,884	4,556
Right-of-use (ROU) assets	1,991	2,399
Investments	1,481	1,795
Deferred tax assets, net	4,116	4,116
Other assets	143	98
Total assets	48,832	50,385
Current liabilities:
Accounts payable	12,898	5,883
Accrued compensation and related taxes	1,143	1,099
Accrued warranty expense	591	533
Accrued other expenses and other current liabilities	700	938
Dividends payable	0	505
Short-term lease liability	485	447
Credit facility	5,854	1,470
Notes payable-current portion	277	267
Deferred revenues	1,022	1,045
Total current liabilities	22,970	12,187
Notes payable, net of current portion	329	605
Long-term lease liability	1,785	2,269
Deferred revenue	3,613	2,706
Total liabilities	28,697	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; 18,434,697 and 18,298,999 issued and 16,984,295 and 16,848,599 outstanding shares at December 31, 2022, and 2021, respectively	11,061	10,979
Additional paid-in capital	36,455	35,862
Accumulated deficit	(21,979)	(8,821)
Treasury stock, at cost, 1,450,400 shares at December 31, 2022, and 2021, respectively	(5,402)	(5,402)
Total stockholders' equity	20,135	32,618
Total liabilities and stockholders' equity	$ 48,832	$ 50,385