10. Concentrations of Risk (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Sales to Three Largest Customers	$ 1,960,478	$ 1,939,560	$ 4,967,709	$ 4,914,372
Total percentage of revenue	54.90%	65.71%	45.60%	60.12%
Alpha Gary Corporation
Sales to Three Largest Customers	$ 691,363	$ 636,918	$ 2,541,838	$ 2,440,019
General Electric
Sales to Three Largest Customers	0	0	0	382,788
Kohler Corporation
Sales to Three Largest Customers	637,838	936,122	1,462,570	2,091,565
East Penn Manufacturing Inc.
Sales to Three Largest Customers	$ 631,277	$ 366,520	$ 963,301	$ 0