Geographic Segment Data (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Segment Reporting Information [Line Items]
Sales to outside customers	$ 59,364,701	$ 57,828,200
Total Assets	41,804,969	43,046,910
United States [Member]
Segment Reporting Information [Line Items]
Sales to outside customers	46,520,000	42,896,000
Total Assets	30,772,000	33,026,000
United Kingdom [Member]
Segment Reporting Information [Line Items]
Sales to outside customers	2,207,000	2,497,000
Total Assets	1,791,000	1,048,000
Europe [Member]
Segment Reporting Information [Line Items]
Sales to outside customers	1,530,000	1,592,000
Total Assets	1,562,000	1,457,000
Mexico [Member]
Segment Reporting Information [Line Items]
Sales to outside customers	9,108,000	10,843,000
Total Assets	$ 7,680,000	$ 7,516,000