7. Earnings (Loss) per common share (Details) (USD $)	3 Months Ended		6 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Earnings Loss Per Common Share Details
Net income/(loss)	$ 138,400	$ (55,300)	$ 76,200	$ 4,000
Weighted average common shares outstanding	1,337,175	1,265,613	1,336,444	1,231,095
Effect of dilutive securities	3,765		4,463	14,873
Weighted average dilutive common shares outstanding	1,340,940	1,265,613	1,340,907	1,245,968
Basic earnings/(loss) per common share	$ 0.10	$ (0.04)	$ 0.06	$ 0.00
Diluted earnings/(loss) per common share	$ 0.10	$ (0.04)	$ 0.06	$ 0.00