Geographic Segment Data (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Segment Reporting Information [Line Items]
Net Sales to Outside Customers	$ 14,150,504	$ 13,620,833	$ 29,355,498	$ 28,596,161
Total Assets	42,330,229		42,330,229		$ 41,804,969
United States [Member]
Segment Reporting Information [Line Items]
Net Sales to Outside Customers	11,050,000	10,810,000	23,135,000	22,527,000
Total Assets	30,882,000		30,882,000		30,772,000
Europe [Member]
Segment Reporting Information [Line Items]
Net Sales to Outside Customers	618,000	221,000	1,166,000	657,000
Total Assets	1,898,000		1,898,000		1,562,000
Mexico [Member]
Segment Reporting Information [Line Items]
Net Sales to Outside Customers	1,852,000	2,088,000	3,715,000	4,261,000
Total Assets	7,615,000		7,615,000		7,680,000
United Kingdom [Member]
Segment Reporting Information [Line Items]
Net Sales to Outside Customers	631,000	$ 502,000	1,339,000	$ 1,151,000
Total Assets	$ 1,935,000		$ 1,935,000		$ 1,791,000