Business Segments (Details Textuals) (USD $)	6 Months Ended
	Jun. 30, 2012 Segments	Dec. 31, 2011
Segment Reporting Information [Line Items]
Number of Operating Segments	2
Total identifiable assets	$ 31,005,000	$ 30,423,000
Advanced Technology Group
Segment Reporting Information [Line Items]
Total identifiable assets	18,990,000	18,004,000
Consumer Products Group
Segment Reporting Information [Line Items]
Total identifiable assets	$ 12,015,000	$ 12,419,000