4. Prepayments and Advances (Details) - USD ($) |
Dec. 31, 2018 |
Dec. 31, 2017 |
|---|---|---|
| Prepayments and advances | $ 928,682 | $ 859,277 |
| Advances to Employees [Member] | ||
| Prepayments and advances | 0 | 4,960 |
| Prepaid Services and Fees [Member] | ||
| Prepayments and advances | 152,204 | 8,875 |
| Vendor Prepayments [Member] | ||
| Prepayments and advances | $ 776,478 | $ 845,442 |
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- Definition Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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