Geographic Segment Data (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Segment Reporting Information [Line Items]
Net Sales to Outside Customers	$ 13,620,833	$ 13,158,876	$ 28,596,161	$ 28,079,207
Total Assets	39,949,641		39,949,641		$ 43,046,910
United States [Member]
Segment Reporting Information [Line Items]
Net Sales to Outside Customers	10,810,000	9,408,000	22,527,000	20,178,000
Total Assets	29,805,000		29,805,000		33,026,000
Europe [Member]
Segment Reporting Information [Line Items]
Net Sales to Outside Customers	221,000	408,000	657,000	802,000
Total Assets	1,346,000		1,346,000		1,457,000
Mexico [Member]
Segment Reporting Information [Line Items]
Net Sales to Outside Customers	2,088,000	2,804,000	4,261,000	5,634,000
Total Assets	7,375,000		7,375,000		7,516,000
United Kingdom [Member]
Segment Reporting Information [Line Items]
Net Sales to Outside Customers	502,000	$ 539,000	1,151,000	$ 1,465,000
Total Assets	$ 1,424,000		$ 1,424,000		$ 1,048,000