12. Stock Options (Details 1) - $ / shares	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Number of Options Outstanding, Ending	43,500	38,500	61,000
Weighted Average Exercise Price Outstanding, Ending	$ 3.33	$ 3.37	$ 3.11
Number of Options Exercisable	32,200	27,200
Exercise Price Range 3.50 to 4.05
Number of Options Outstanding, Ending	20,000
Weighted Average Remaining Contractual Life	7 years 1 month 17 days
Weighted Average Exercise Price Outstanding, Ending	$ 3.64
Number of Options Exercisable	13,700
Weighted Average Exercise Price Exercisable	$ 3.65
Exercise Price Range 3.07 to 3.45
Number of Options Outstanding, Ending	23,500
Weighted Average Remaining Contractual Life	2 years 9 months 29 days
Weighted Average Exercise Price Outstanding, Ending	$ 3.25
Number of Options Exercisable	18,500
Weighted Average Exercise Price Exercisable	$ 3.30
Exercise Price Range 2.80 to 3.10
Number of Options Outstanding, Ending	11,000
Weighted Average Remaining Contractual Life		5 years 29 days
Weighted Average Exercise Price Outstanding, Ending	$ 2.99
Number of Options Exercisable	7,000
Weighted Average Exercise Price Exercisable		$ 3.09
Exercise Price Range 3.27 to 3.71
Number of Options Outstanding, Ending	27,500
Weighted Average Remaining Contractual Life		5 years 2 months 16 days
Weighted Average Exercise Price Outstanding, Ending	$ 3.52
Number of Options Exercisable	20,200
Weighted Average Exercise Price Exercisable		$ 3.52