Deferred Tax Benefit (Schedule Of Deferred Tax Assets) (Details) - USD ($)	Jun. 30, 2017	Jun. 30, 2016
Deferred tax assets:
NOL carryforward	$ 5,680,400	$ 4,900,400
R&D carryforward	113,100	113,100
Accrued vacation payable	45,900	45,900
Allowance for doubtful accounts	4,100	17,800
Depreciation	3,000
Deferred tax liabilities:
Depreciation		900
Valuation allowance	5,846,500	5,076,300
Net deferred tax asset