Note D - Income Taxes and Available Carryforward - Deferred Tax Assets and Liabilities (Details) - USD ($)	Dec. 31, 2019	Jun. 30, 2019
NOL and contribution carryforwards	$ 342,799
Accrued compensated absences	5,787
Accrued bonus
Allowance for doubtful accounts	1,703
Total deferred tax assets	350,289
Excess of tax over book depreciation	(6,549)
Total deferred tax (liabilities)	(6,549)
Total deferred tax asset	343,740
Valuation Allowance	(171,381)	$ (171,381)
Net Deferred Tax Asset	$ 172,359	$ 208,281