Property, Plant and Equipment (Detail Textuals) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Property, Plant and Equipment [Line Items]
Depreciation and amortization expense	$ 1,025,000	$ 885,000
Depreciation	948,000	872,000
Amortization	77,000	13,000
Advanced Technology Group ("ATG") and the Consumer Products Group ("CPG")
Property, Plant and Equipment [Line Items]
Construction in progress	1,258,000	$ 665,000
Advanced Technology Group ("ATG") and the Consumer Products Group ("CPG") | Construction in progress
Property, Plant and Equipment [Line Items]
Implementation costs	719,000
Machinery received but not placed in service	154,000
Self constructed assets not yet put into service	$ 385,000