Commitments and Contingencies (Detail Textuals) - USD ($)	9 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Loss Contingencies [Line Items]
Post retirement obligation	$ 1,007,000	$ 1,007,000
Arbitration-related expense	367,000
Employment Agreement | Kenneth Trbovich
Loss Contingencies [Line Items]
Post retirement obligation	$ 821,000	$ 736,000
Minimum age limit	65 years
CPG
Loss Contingencies [Line Items]
Amount of grant received from Cattaraugus County, New York	$ 300,000
Term of maintaining employment level	5 years