Quarterly report pursuant to Section 13 or 15(d)

Revenue in Excess of Billings - Long Term - Schedule of Revenue in Excess of Billings (Details)

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Revenue in Excess of Billings - Long Term - Schedule of Revenue in Excess of Billings (Details) - USD ($)
Dec. 31, 2017
Jun. 30, 2017
Contractors [Abstract]    
Revenue in excess of billing - long term $ 6,953,248 $ 5,483,869
Present value discount (284,394) (310,331)
Net Balance $ 6,668,854 $ 5,173,538