Segment Information (Details 1) - USD ($)	3 Months Ended		9 Months Ended		36 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Jun. 30, 2015	Dec. 31, 2014
Reconciliation of segment information
Net sales to external customers	$ 7,548,100	$ 6,211,100	$ 21,755,700	$ 17,428,900
Consolidated income before income taxes	664,500	710,300	2,141,800	1,532,400	$ 3,400,000
Total assets	16,457,200	10,032,200	16,457,200	10,032,200		$ 10,428,900
Operating Segments
Reconciliation of segment information
Total assets	13,090,900	8,732,500	13,090,900	8,732,500
Corporate, Non-Segment
Reconciliation of segment information
Total assets	$ 3,366,300	$ 1,299,700	$ 3,366,300	$ 1,299,700