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Segment Reporting (Details) - USD ($)
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Net Sales $ 46,309,000 $ 49,869,000
Gross Profit (Loss) 5,414,000 4,867,000
Pre Tax Loss (9,606,000) (16,270,000)
(Benefit from) provision for Income Taxes (3,000) 197,000
Loss from Discontinued Operations (1,383,000) (6,478,000)
Assets Held for Sale 10,082,000
Net Loss (10,992,000) (22,551,000)
Assets 47,756,000 60,755,000
COMPLEX MACHINING [Member]    
Net Sales 39,745,000 38,489,000
Gross Profit (Loss) 5,871,000 4,906,000
Pre Tax Loss (75,000) (2,839,000)
Assets 41,947,000 43,207,000
AEROSTRUCTURES & ELECTRONICS    
Net Sales 1,779,000 4,574,000
Gross Profit (Loss) (31,000) 507,000
Pre Tax Loss (1,380,000) (4,233,000)
Assets 110,000 1,021,000
TURBINE ENGINE COMPONENTS [Member]    
Net Sales 4,785,000 6,806,000
Gross Profit (Loss) (426,000) (546,000)
Pre Tax Loss (1,385,000) (7,599,000)
Assets 5,243,000 6,157,000
CORPORATE [Member]    
Net Sales
Gross Profit (Loss)
Pre Tax Loss (6,766,000) (1,599,000)
Assets $ 456,000 $ 288,000