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Major Customers (Details Narrative) |  |  | 6 Months Ended |  |
--- | --- | --- | --- | --- | ---
Sep. 04, 2017 USD ($) | Sep. 04, 2017 EUR (€) | Dec. 21, 2015 USD ($) | Dec. 21, 2015 EUR (€) | Dec. 31, 2017 USD ($) | Dec. 31, 2017 EUR (€) | Dec. 31, 2016 USD ($) | Jun. 30, 2017 USD ($) | Dec. 21, 2015 EUR (€)
Revenues in excess of billings |  |  |  |  | $ 16,094,026 |  | $ 18,019,894 | $ 19,126,389 |
Revenue in excess of billing - long term |  |  |  |  | 6,668,854 |  |  | 5,173,538 |
Customer [Member] | Years 1-5 [Member] |  |  |  |  |  |  |  |  |
Fixed annual payments |  |  | $ 7,008,019 |  |  |  |  |  |
Customer [Member] | Years 6-10 [Member] |  |  |  |  |  |  |  |  |
Fixed annual payments |  |  | $ 10,002,899 |  |  |  |  |  |
EURO [Member] | Customer [Member] | Years 1-5 [Member] |  |  |  |  |  |  |  |  |
Fixed annual payments | € |  |  |  |  |  |  |  |  | € 5,850,000
EURO [Member] | Customer [Member] | Years 6-10 [Member] |  |  |  |  |  |  |  |  |
Fixed annual payments | € |  |  |  |  |  |  |  |  | € 8,350,000
Daimler Financial Services [Member] |  |  |  |  |  |  |  |  |
Accounts receivable, gross |  |  |  |  | 12,761,829 |  |  | 1,620,717 |
Revenues in excess of billings |  |  |  |  | 16,674,348 |  |  | 18,579,540 |
Revenue in excess of billing - long term |  |  |  |  | 6,668,854 |  |  | $ 5,173,538 |
Agreement description |  |  | On December 21, 2015, the Company entered into a 10 year contract with Daimler Financial Services to provide license, maintenance and services for 12 countries in the Asia Pacific Region. The implementation phase is expected to be over a five year period with maintenance and support over 10 years. | On December 21, 2015, the Company entered into a 10 year contract with Daimler Financial Services to provide license, maintenance and services for 12 countries in the Asia Pacific Region. The implementation phase is expected to be over a five year period with maintenance and support over 10 years. |  |  |  |  |
License and maintenance fees | $ 9,277,108 |  | $ 85,054,591 |  | 8,433,735 |  |  |  |
Daimler Financial Services [Member] | 7 Years [Member] |  |  |  |  |  |  |  |  |
License and maintenance fees |  |  |  |  | $ 120,482 |  |  |  |
Daimler Financial Services [Member] | EURO [Member] |  |  |  |  |  |  |  |  |
License and maintenance fees | € |  | € 7,700,000 |  | € 71,000,000 |  | € 7,000,000 |  |  |
Daimler Financial Services [Member] | EURO [Member] | 7 Years [Member] |  |  |  |  |  |  |  |  |
License and maintenance fees | € |  |  |  |  |  | € 100,000 |  |  |
Daimler Financial Services [Member] | Revenue [Member] |  |  |  |  |  |  |  |  |
Concentration risk, percentage |  |  |  |  | 35.90% | 35.90% | 41.54% |  |

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