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Revenues in Excess of Billings - Long Term - Schedule of Revenues in Excess of Billings (Details) - USD ($)
Jun. 30, 2021
Jun. 30, 2020
Contractors [Abstract]    
Revenues in excess of billings - long term $ 1,024,382 $ 1,341,575
Present value discount (66,779) (41,286)
Net Balance $ 957,603 $ 1,300,289