Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Mar. 31, 2025	Dec. 31, 2024
Current Assets:
Cash	$ 37,000	$ 111,000
Restricted cash	150,000	150,000
Accounts receivable, net	11,362,000	9,288,000
Inventories, net	15,488,000	15,826,000
Prepaid and other current assets	1,142,000	968,000
Assets related to discontinued operation	1,450,000	1,436,000
Total current assets	29,629,000	27,779,000
Property, plant and equipment, net	7,031,000	7,005,000
Other non-current assets	48,000	48,000
Total Assets	36,708,000	34,832,000
Current Liabilities:
Line of credit	3,725,000	2,127,000
Current portion of post-retirement obligation	84,000	84,000
Accounts payable	2,737,000	2,413,000
Accrued employee compensation and benefits costs	794,000	705,000
Accrued warranty	337,000	333,000
Other accrued liabilities	851,000	1,170,000
Liabilities related to discontinued operation	23,000	23,000
Total Current Liabilities	8,551,000	6,855,000
Long-Term Liabilities:
Post-retirement obligation	4,121,000	4,097,000
Post-retirement obligation, current	(84,000)	(84,000)
Post-retirement obligation, net	4,037,000	4,013,000
Other long-term liabilities	425,000	460,000
Total long-term liabilities	4,462,000	4,473,000
Shareholders' Equity:
Common stock, par value $0.20; 4,000,000 shares authorized; 2,629,052 shares issued; 2,544,246 shares outstanding (2,537,753 shares outstanding as of December 31, 2024)	526,000	526,000
Capital in excess of par value	14,862,000	14,828,000
Retained earnings	11,459,000	11,331,000
Accumulated other comprehensive loss	(2,042,000)	(2,059,000)
Treasury stock, at cost 69,020 shares (75,513 shares as of December 31,2024)	(1,110,000)	(1,122,000)
Total shareholders' equity	23,695,000	23,504,000
Total Liabilities and Shareholders' Equity	$ 36,708,000	$ 34,832,000