Business Segments (Detail Textuals) (USD $)	12 Months Ended
	Dec. 31, 2013 Segment	Dec. 31, 2012
Segment Reporting Information [Line Items]
Number of operating segments	2
Total identifiable assets	$ 30,003,000	$ 29,303,000
Consolidated revenues from continuing operations	30,310,000	30,510,000
Major customer, description	More than 10%
Advanced Technology Group | Customer One | Sales revenue
Segment Reporting Information [Line Items]
Percentage of total consolidated sales revenue	29.00%	27.00%
Advanced Technology Group | Customer Two | Sales revenue
Segment Reporting Information [Line Items]
Percentage of total consolidated sales revenue	11.00%	10.00%
Operating Segments
Segment Reporting Information [Line Items]
Consolidated revenues from continuing operations	30,310,000	30,510,000
Operating Segments | Advanced Technology Group
Segment Reporting Information [Line Items]
Total identifiable assets	19,816,000	19,211,000
Consolidated revenues from continuing operations	22,204,000	22,000,000
Operating Segments | Advanced Technology Group | Continuing Operations
Segment Reporting Information [Line Items]
Consolidated revenues from continuing operations	5,300,000	6,000,000
Operating Segments | Consumer Products Group
Segment Reporting Information [Line Items]
Total identifiable assets	10,187,000	10,092,000
Consolidated revenues from continuing operations	8,106,000	8,510,000
Operating Segments | Consumer Products Group | Continuing Operations
Segment Reporting Information [Line Items]
Consolidated revenues from continuing operations	$ 1,100,000	$ 2,750,000