Business Description and Summary of Significant Accounting Policies (Detail Textuals 1) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Concentration Risk [Line Items]
Accumulated Other Comprehensive Loss To Retained Earnings Due Tochange In Tax Rate	$ 6,000
Concentration risk, benchmark description	No other customers of the ATG or CPG represented more than 10% of the Company's consolidated revenues in either of these years
Sales Revenue | Advanced technology products | Customer Concentration Risk | Prime or subcontractors
Concentration Risk [Line Items]
Concentration risk, percentage	8.00%	9.00%
Sales Revenue | Advanced technology products | Customer Concentration Risk | Three Customers
Concentration Risk [Line Items]
Concentration risk, percentage	62.00%	49.00%
Concentration risk, benchmark description	More than 10