10. Net income per common share (Details) - USD ($)	3 Months Ended	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2016	Sep. 30, 2015
Net income (loss)		$ 349,386	$ (302,338)
Net Income
Net income (loss)	$ 177,520	389,935
Basic earnings per share, Amount	177,520	$ 389,935
Basic earnings per share, Shares		48,158,563
Basic earnings per share, Per share amount		$ 0.01
Effect of dilutive securities
Warrants, Shares		266,700
Diluted earnings per share, Amount	$ 177,520	$ 389,935
Diluted earnings per share, Shares		48,425,263
Diluted earnings per share, Per share amount		$ 0.01