Business Segments (Detail Textuals) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014 Segment	Dec. 31, 2013
Segment Reporting Information [Line Items]
Number of operating segments	2
Total identifiable assets	$ 35,245	$ 30,003
Operating Segments
Segment Reporting Information [Line Items]
Total identifiable assets	35,245	30,003
Operating Segments | Advanced Technology Group
Segment Reporting Information [Line Items]
Total identifiable assets	23,092	19,816
Operating Segments | Consumer Products Group
Segment Reporting Information [Line Items]
Total identifiable assets	$ 12,153	$ 10,187