Income Taxes (Details 1) - USD ($)	Dec. 31, 2019	Jun. 30, 2018
Deferred tax assets
Allowance for doubtful accounts	$ 1,177,000	$ 1,121,000
Net operating loss	1,424,000	1,024,000
Total deferred tax assets	2,601,000	2,145,000
Valuation allowance	(2,601,000)	(2,145,000)
Deferred tax assets, net - long-term