Commitments and Contingencies (Detail Textuals) - Jun. 30, 2015	USD ($) ft²
Loss Contingencies [Line Items]
Final amount of arbitration award paid on March 6, 2015	$ 5,201,000
Received claim for insurance damage	4,500,000
Payments for postemployment benefits	$ 445,000
Term of project	5 years
Area of additional construction facility for capital improvements | ft²	28,000
Cost of the project	$ 4,000,000
Completed cost of the project	3,053,000
CPG
Loss Contingencies [Line Items]
Reduction to assets	273,000
Amount of grant received from Cattaraugus County, New York	300,000
Amount of grant received from New York State Community Development Block	$ 416,000
Term of maintaining employment level	5 years
Aero Metal Products, Inc. (AMP)
Loss Contingencies [Line Items]
Amount of alleged damages	$ 3,000,000
Amount of counter claim	$ 3,191,000