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Subsequent Events (Details) - Dixie Electric, Ltd [Member] - USD ($)
9 Months Ended
Jan. 09, 2019
Dec. 31, 2018
Acquisition [Abstract]    
Acquisition costs   $ 421,000
Subsequent Event [Member]    
Acquisition [Abstract]    
Purchase price $ 8,035,000  
Contingent consideration payment period 2 years  
Subsequent Event [Member] | Maximum [Member]    
Acquisition [Abstract]    
Contingent payment $ 1,134,000