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Geographic Segment Data (Details) (USD $)
 3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Dec. 31, 2013
Segment Reporting Information [Line Items]          
Sales to outside customers $ 14,569,309 $ 14,479,934 $ 42,648,515 $ 40,859,007  
Total Assets 43,064,763   43,064,763   39,071,500
United States [Member]
          
Segment Reporting Information [Line Items]          
Sales to outside customers 10,808,000 10,837,000 30,986,000 30,496,000  
Total Assets 31,930,000   31,930,000   28,758,000
United Kingdom [Member]
          
Segment Reporting Information [Line Items]          
Sales to outside customers 592,000 517,000 2,057,000 1,602,000  
Total Assets 1,399,000   1,399,000   1,025,000
Europe [Member]
          
Segment Reporting Information [Line Items]          
Sales to outside customers 380,000 282,000 1,182,000 709,000  
Total Assets 1,370,000   1,370,000   1,145,000
Mexico [Member]
          
Segment Reporting Information [Line Items]          
Sales to outside customers 2,789,000 2,844,000 8,424,000 8,052,000  
Total Assets $ 8,366,000   $ 8,366,000   $ 8,144,000