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Segment Reporting (Tables)
 12 Months Ended
Dec. 31, 2020
Segment Reporting [Abstract]  
Schedule of operating segments

   Year Ended December 31, 
   2020   2019 
         
COMPLEX MACHINING          
Net Sales  $44,659,000   $48,226,000 
Gross Profit   6,493,000    8,669,000 
Pre Tax Income from continuing operations   4,965,000    5,266,000 
Assets   51,368,000    45,268,000 
           
TURBINE ENGINE COMPONENTS          
Net Sales   5,438,000    6,347,000 
Gross Profit   19,000    473,000 
Pre Tax Loss from continuing operations   (31,000)   (500,000)
Assets   3,899,000    5,005,000 
           
CORPORATE          
Net Sales   -    - 
Gross Profit   -    - 
Pre Tax Loss from continuing operations   (5,020,000)   (7,327,000)
Assets   2,510,000    817,000 
           
CONSOLIDATED          
Net Sales   50,097,000    54,573,000 
Gross Profit   6,512,000    9,142,000 
Pre Tax Loss from continuing operations   (86,000)   (2,561,000)
(Benefit from) provision for Income Taxes   (1,412,000)   37,000 
Loss from Discontinued Operations, net of taxes   (230,000)   (134,000)
Net Income (Loss)   1,096,000    (2,732,000)
Assets  $57,777,000   $51,090,000