CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash	$ 136,000	$ 95,000
Cash, restricted	150,000	150,000
Accounts receivable, net	10,473,000	12,065,000
Inventories, net	14,929,000	14,198,000
Prepaid and other current assets	1,920,000	1,507,000
Assets related to discontinued operation	1,480,000	1,552,000
Total current assets	29,088,000	29,567,000
Property, plant and equipment, net	6,859,000	6,978,000
Other non-current assets	42,000	42,000
Total Assets	35,989,000	36,587,000
Current liabilities:
Line of credit	2,009,000	2,103,000
Current portion of post retirement obligation	97,000	97,000
Accounts payable	2,138,000	2,061,000
Accrued employee compensation and benefits costs	825,000	1,003,000
Accrued warranty	483,000	542,000
Other accrued liabilities	2,023,000	1,909,000
Liabilities related to discontinued operation	32,000	213,000
Total current liabilities	7,607,000	7,928,000
Post retirement obligation	4,189,000	4,165,000
Shareholders' equity:
Common stock, par value $0.20; authorized 4,000,000 shares; issued 2,629,052 shares; outstanding 2,523,741 (2,514,775 - 2023) shares	525,000	525,000
Capital in excess of par value	14,661,000	14,617,000
Retained earnings	12,571,000	12,954,000
Accumulated other comprehensive loss	(2,370,000)	(2,389,000)
Employee stock ownership trust commitment	(56,000)	(56,000)
Treasury stock, at cost 78,559 (87,525 - 2023) shares	(1,138,000)	(1,157,000)
Total shareholders' equity	24,193,000	24,494,000
Total Liabilities and Shareholders' Equity	$ 35,989,000	$ 36,587,000