Consolidated Statements of Operations - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Income Statement [Abstract]
Net Sales	$ 54,573,000	$ 44,530,000
Cost of Sales	45,431,000	39,085,000
Gross Profit	9,142,000	5,445,000
Operating Expenses	8,539,000	8,315,000
Impairment on abandonment of assets		(386,000)
Capitalized engineering costs write-off		(2,043,000)
Income (Loss) from Operations	328,000	(4,913,000)
Interest and Financing Costs	(3,561,000)	(3,916,000)
Other Income, Net	672,000	278,000
Loss before Provision for Income Taxes	(2,561,000)	(8,551,000)
Provision for Income Taxes	37,000
Loss from Continuing Operations, net of taxes	(2,598,000)	(8,551,000)
Loss from Discontinued Operations, net of taxes
Losses from discontinued operating activities	(134,000)	(2,097,000)
Loss on Sale of Subsidiary		(341,000)
Total Loss from Discontinued Operations, net of tax	(134,000)	(2,100,000)
Net Loss	$ (2,732,000)	$ (10,992,000)
Net Loss per share - basic
Continuing operations	$ (0.09)	$ (0.32)
Discontinued operations	0.00	(0.09)
Net Loss per share - diluted
Continuing operations	(0.09)	(0.32)
Discontinued operations	$ 0.00	$ (0.09)
Weighted average shares outstanding - basic	28,851,816	26,897,639
Weighted average shares outstanding - diluted	28,851,816	26,897,639