7. Earnings (Loss) per common share (Details) (USD $)	3 Months Ended		6 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
Earnings Loss Per Common Share Details
Net income/(loss)	$ 135,100	$ 138,400	$ 137,200	$ 76,200
Weighted average common shares outstanding	1,342,663	1,337,175	1,340,163	1,336,444
Effect of dilutive securities	6,327	3,765	6,867	4,463
Weighted average dilutive common shares outstanding	1,348,990	1,340,940	1,347,030	1,340,907
Basic earnings/(loss) per common share	$ 0.10	$ 0.10	$ 0.10	$ 0.06
Diluted earnings/(loss) per common share	$ 0.10	$ 0.10	$ 0.10	$ 0.06