CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
Revenue	$ 10,446,000	$ 9,060,000
Costs and expenses:
Costs of goods sold, inclusive of depreciation and amortization	8,711,000	8,072,000
Gross profit	1,735,000	988,000
Operating expenses
Selling, general and administrative	2,018,000	2,185,000
Operating loss	(283,000)	(1,197,000)
Other expense
Interest & other expense, net	(83,000)	(47,000)
Total other expense	(83,000)	(47,000)
Loss from continuing operations before income taxes	(366,000)	(1,244,000)
Income tax benefit	0	(264,000)
Loss from continuing operations, net of tax	(366,000)	(980,000)
Loss from discontinued operation before income taxes	(17,000)	(720,000)
Income tax benefit		153,000
Loss from discontinued operation, net of tax (Note 2)	(17,000)	(567,000)
Net loss	$ (383,000)	$ (1,547,000)
Basic
Continuing operations	$ (0.15)	$ (0.40)
Discontinued operation	(0.01)	(0.23)
Net loss per share	(0.16)	(0.63)
Diluted
Continuing operations	(0.15)	(0.40)
Discontinued operation	(0.01)	(0.23)
Net loss per share	$ (0.16)	$ (0.63)