Property, Plant and Equipment (Detail Textuals) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Property, Plant and Equipment [Line Items]
Depreciation and amortization expense	$ 259,000	$ 209,000	$ 761,000	$ 637,000
Depreciation	239,000	206,000	704,000	628,000
Amortization	20,000	3,000	57,000	9,000
Advanced Technology Group ("ATG") and the Consumer Products Group ("CPG")
Property, Plant and Equipment [Line Items]
Construction in progress	931,000	$ 665,000	931,000	$ 665,000
Advanced Technology Group ("ATG") and the Consumer Products Group ("CPG") | Construction in progress
Property, Plant and Equipment [Line Items]
Implementation costs	556,000		556,000
Machinery received but not placed in service	240,000		240,000
Self constructed assets not yet put into service	$ 135,000		$ 135,000