13. Earnings per common share (Details) (USD $)	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Earnings Per Common Share Details
Net income	$ 396,400	$ 66,100
Weighted average common shares outstanding	1,337,048	1,283,118
Effect of dilutive securities	5,164	10,471
Weighted average dilutive common shares outstanding	1,342,212	1,293,589
Basic earnings per common share	$ 0.30	$ 0.05
Diluted earnings per common share	$ 0.30	$ 0.05