7. Earnings (Loss) per common share (Details) (USD $)	3 Months Ended		9 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012
Earnings Loss Per Common Share Details
Net income/(loss)	$ 150,100	$ (8,200)	$ 226,300	$ (4,200)
Weighted average common shares outstanding	1,337,663	1,335,712	1,336,844	1,265,714
Effect of dilutive securities	4,701		4,543
Weighted average dilutive common shares outstanding	1,342,364	1,335,712	1,341,387	1,265,714
Basic earnings/(loss) per common share	$ 0.11	$ (0.01)	$ 0.17	$ 0.00
Diluted earnings/(loss) per common share	$ 0.11	$ (0.01)	$ 0.17	$ 0.00