6. Pension Plan (Details 4) - USD ($)	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Notes to Financial Statements
Service cost-benefits earned during the period	$ 62,074	$ 60,462
Interest cost on projected benefit obligation	117,645	112,804
Expected return on plan assets	(97,276)	(90,400)
Amortization of actuarial loss	124,830	83,430
Net periodic pension cost	$ 207,273	$ 166,296