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Major Customers (Details Narrative) - USD ($) | 3 Months Ended |
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Jun. 30, 2019
Revenue | $ 13,572,416 | $ 16,396,545 |
Revenues in excess of billings | 16,345,384 |  | $ 14,719,047
Revenue in excess of billing - long term | 1,246,660 |  | 1,281,492
Customer One [Member] |  |  |
Revenue | $ 5,041,367 | $ 4,716,404 |
Concentration risk, percentage | 37.10% | 28.80% |
Revenues in excess of billings | $ 6,330,729 |  | 4,371,081
Customer One [Member] | Accounts Receivable [Member] |  |  |
Accounts receivable, gross | 2,372,071 |  | 7,917,814
Customer Two [Member] |  |  |
Revenue | $ 951,369 | $ 4,850,093 |
Concentration risk, percentage | 7.00% | 29.60% |
Revenues in excess of billings | $ 6,372,328 |  | 5,472,043
Customer Two [Member] | Accounts Receivable [Member] |  |  |
Accounts receivable, gross | $ 1,015,369 |  | $ 159,322

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