Industry and Geographic Segments (Sales by Industry Segments) (Details) - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Segment Reporting Information [Line Items]    
Revenues $ 21,495,184 $ 24,070,292
Revenue by Percent 100.00% 100.00%
Medical [Member] | Operating Segments [Member]    
Segment Reporting Information [Line Items]    
Revenues $ 16,770,788 $ 19,714,328
Revenue by Percent 78.00% 82.00%
Automotive/Industrial [Member] | Operating Segments [Member]    
Segment Reporting Information [Line Items]    
Revenues $ 2,839,926 $ 1,753,946
Revenue by Percent 13.00% 7.00%
Military and Law Enforcement [Member] | Operating Segments [Member]    
Segment Reporting Information [Line Items]    
Revenues $ 943,603 $ 1,358,568
Revenue by Percent 4.00% 6.00%
Consumer Products [Member] | Operating Segments [Member]    
Segment Reporting Information [Line Items]    
Revenues $ 647,190 $ 852,030
Revenue by Percent 4.00% 3.00%
Other Product/Service [Member] | Operating Segments [Member]    
Segment Reporting Information [Line Items]    
Revenues $ 293,677 $ 391,420
Revenue by Percent 1.00% 2.00%