Business Segments (Detail Textuals) (USD $)	3 Months Ended
	Mar. 31, 2015 Segment		Dec. 31, 2014
Segment Reporting [Abstract]
Number of operating segments	2
Segment Reporting Information [Line Items]
Total identifiable assets	$ 33,649,000	[1]	$ 35,245,000
Operating Segments | ATG
Segment Reporting Information [Line Items]
Total identifiable assets	21,667,000		23,092,000
Operating Segments | CPG
Segment Reporting Information [Line Items]
Total identifiable assets	$ 11,982,000		$ 12,153,000

[1] Unaudited