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Revenues in Excess of Billings - Long Term - Schedule of Revenues in Excess of Billings (Details) - USD ($)
Dec. 31, 2019
Jun. 30, 2019
Contractors [Abstract]    
Revenues in excess of billing - long term $ 1,360,823 $ 1,380,631
Present value discount (69,798) (99,139)
Net Balance $ 1,291,025 $ 1,281,492