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Major Customers (Details Narrative) - USD ($) | 12 Months Ended
--- | ---
Jun. 30, 2021 | Jun. 30, 2020
Revenue | $ 54,920,615 | $ 56,372,319
Revenues in excess of billings | 14,680,131 | 17,198,281
Revenue in excess of billing - long term | 957,603 | 1,300,289
Daimler Financial Services (DFS) [Member] |  |
Revenues in excess of billings | 2,041,750 | 5,709,226
BMW Financial (BMW) [Member] |  |
Revenues in excess of billings | $ 4,453,299 | $ 6,977,375
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Daimler Financial Services (DFS) [Member] |  |
Concentration risk, percentage | 21.00% | 26.40%
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | BMW Financial (BMW) [Member] |  |
Concentration risk, percentage | 13.00% | 15.80%
Accounts Receivable [Member] | Daimler Financial Services (DFS) [Member] |  |
Accounts receivable, gross | $ 462,861 | $ 4,821,468
Accounts Receivable [Member] | BMW Financial (BMW) [Member] |  |
Accounts receivable, gross | 35,063 | 474,271
Daimler Financial Services (DFS) [Member] |  |
Revenue | 11,522,694 | 14,869,030
BMW Financial (BMW) [Member] |  |
Revenue | $ 7,137,653 | $ 8,904,809

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