6. Stock Option Plan (Details 1) (USD $)	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Number of shares
Beginning balance	62,500	52,700
Granted	0	9,800
Expired	(16,000)	0
Ending balance	46,500	62,500
Options exercisable at end of period	46,500
Weighted average exercise price
Beginning balance	$ 2.50	$ 2.66
Granted		$ 1.63
Expired	$ 3.93
Ending balance	$ 2.00	$ 2.50
Options exercisable at end of period	$ 2.00