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v3.19.3.a.u2

Summary of Significant Accounting Policies (Details 2) - USD ($) | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
Revenues: |  |
Total revenues | $ 20,774,416 | $ 17,803,559
Costs of revenues: |  |
Total costs of revenues | 11,695,001 | 10,059,808
Verification and Certification Service Revenue [Member] |  |
Revenues: |  |
Total revenues | 15,564,411 | 13,743,311
Costs of revenues: |  |
Total costs of revenues | $ 8,444,309 | 7,564,946
Under ASC 605 [Member] | Verification and Certification Service Revenue [Member] |  |
Revenues: |  |
Total revenues |  | 170,340
Costs of revenues: |  |
Total costs of revenues |  | 170,340
Increase / (Decrease) [Member] | Verification and Certification Service Revenue [Member] |  |
Revenues: |  |
Total revenues |  | (170,340)
Costs of revenues: |  |
Total costs of revenues |  | $ (170,340)

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