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Prepayments, Deposits and Other Assets, Net (Tables) | 12 Months Ended
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Dec. 31, 2018
Prepayments Deposits And Other Assets Net [Abstract] |
Schedule of prepayments, deposits and other assets, net |
|  | As of December 31, |
|  | 2018 |  |  | 2017 |
Advances to suppliers |  | $ | 138,464 |  |  | $ | 310,808 |
Security deposits * |  |  | 857,676 |  |  |  | 624,093 |
Advances to employees |  |  | 248,191 |  |  |  | 262,682 |
Prepaid expense |  |  | 222,862 |  |  |  | 12,772 |
Loan to others ** |  |  | 47,997 |  |  |  | 908,453 |
Deferred offering cost |  |  | 400,640 |  |  |  | - |
Others |  |  | 109,721 |  |  |  | 100,777 |
|  |  | 2,025,551 |  |  |  | 2,219,585 |
Less: Long term portion |  |  | (865,498 | ) |  |  | (624,093 | )
Allowance for doubtful accounts |  |  | (14,047 | ) |  |  | (19,422 | )
Prepayments, deposits and other assets – current portion |  | $ | 1,146,006 |  |  | $ | 1,576,070 |
* | Security deposits represent contract fulfillment deposits required by customer for specific projects, rent deposits and etc.
** | The Company had unsecured, non-interest-bearing loan receivables from various vendors. The maturity of these loans are generally within one or two years.
Schedule of allowance for doubtful accounts |
|  | As of December 31, |
|  | 2018 |  |  | 2017 |  |  | 2016 |
Beginning balance |  | $ | 19,422 |  |  | $ | 10,648 |  |  | $ | - |
(Recovery) provision for doubtful accounts |  |  | (4,510 | ) |  |  | 7,760 |  |  |  | 11,129 |
Foreign currency translation adjustments |  |  | (865 | ) |  |  | 1,014 |  |  |  | (481 | )
Ending balance |  | $ | 14,047 |  |  | $ | 19,422 |  |  | $ | 10,648 |

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