Geographic Segment Data (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Segment Reporting Information [Line Items]
Sales to outside customers	$ 57,828,200	$ 56,059,477
Total Assets	43,046,910	39,071,500
United States [Member]
Segment Reporting Information [Line Items]
Sales to outside customers	42,896,000	41,956,000
Total Assets	33,026,000	28,758,000
United Kingdom [Member]
Segment Reporting Information [Line Items]
Sales to outside customers	2,497,000	2,032,000
Total Assets	1,048,000	1,025,000
Europe [Member]
Segment Reporting Information [Line Items]
Sales to outside customers	1,592,000	1,001,000
Total Assets	1,457,000	1,145,000
Mexico [Member]
Segment Reporting Information [Line Items]
Sales to outside customers	10,843,000	11,070,000
Total Assets	$ 7,516,000	$ 8,144,000