Business Segments (Detail Textuals) (USD $)	3 Months Ended
	Mar. 31, 2014 Segment	Dec. 31, 2013
Segment Reporting [Abstract]
Number of operating segments	2
Segment Reporting Information [Line Items]
Total identifiable assets	$ 30,424,000	$ 30,003,000
Operating Segments
Segment Reporting Information [Line Items]
Total identifiable assets	30,424,000	30,003,000
Operating Segments | ATG
Segment Reporting Information [Line Items]
Total identifiable assets	20,158,000	19,816,000
Operating Segments | CPG
Segment Reporting Information [Line Items]
Total identifiable assets	$ 10,266,000	$ 10,187,000