Business Segments (Detail Textuals)	6 Months Ended
	Jun. 30, 2015 USD ($) Segment	Dec. 31, 2014 USD ($)
Segment Reporting Information [Line Items]
Total identifiable assets	$ 33,736,000	$ 35,245,000
Number of operating segments | Segment	2
Operating Segments | ATG
Segment Reporting Information [Line Items]
Total identifiable assets	$ 22,229,000	23,092,000
Operating Segments | CPG
Segment Reporting Information [Line Items]
Total identifiable assets	$ 11,507,000	$ 12,153,000