Summary of Significant Accounting Policies - Schedule of Fair Value of Financial Assets Measured on Recurring Basis (Details) - USD ($)	Jun. 30, 2020	Jun. 30, 2019
Revenues in excess of billings - long term	$ 1,300,289	$ 1,281,492
Total	1,300,289	1,281,492
Level 1 [Member]
Revenues in excess of billings - long term
Total
Level 2 [Member]
Revenues in excess of billings - long term
Total
Level 3 [Member]
Revenues in excess of billings - long term	1,300,289	1,281,492
Total	$ 1,300,289	$ 1,281,492