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v3.20.1

Subsequent events (Details) - USD ($) |  |  | 1 Months Ended |
--- | --- | --- | --- | ---
Mar. 31, 2020 | Mar. 12, 2020 | May 31, 2020 | Mar. 31, 2020 | Jan. 31, 2020 | Jan. 23, 2020 | Nov. 18, 2019 | Mar. 10, 2020
Nasdaq Capital Market[Member] |  |  |  |  |  |  |  |
Subsequent Events (Textual) |  |  |  |  |  |  |  |
Stock transaction |  |  |  |  |  |  | 2,500,000 |
Subsequent Event [Member] |  |  |  |  |  |  |  |
Subsequent Events (Textual) |  |  |  |  |  |  |  |
Closing price |  |  |  |  | $ 1.54 |  |  |
Shares of common stock |  |  |  |  | 3,403,037 |  |  |
Shares of common stock, fair value |  |  |  |  | $ 5,240,677 |  |  |
Total proceeds |  | $ 2,000,000 |  |  |  |  |  |
Ownership Percentage |  |  |  |  |  |  |  | 100.00%
Subsequent Event [Member] | Warrant [Member] |  |  |  |  |  |  |  |
Subsequent Events (Textual) |  |  |  |  |  |  |  |
Shares of common stock |  |  | 2,600,000 | 2,727,274 |  |  |  |
Stock transaction |  |  | 1,400,000 | 1,500,000 |  |  |  |
Stock Price Pre Share | $ 0.55 |  | $ 0.55 | $ 0.55 |  |  |  |
Exercise price |  |  | $ 0.55 | $ 0.55 |  |  |  |
Expire years |  |  | 5 years 6 months | 5 years 6 months |  |  |  |
Subsequent Event [Member] | Purchasers [Member] |  |  |  |  |  |  |  |
Subsequent Events (Textual) |  |  |  |  |  |  |  |
Cash consideration paid | $ 600,000 |  |  | $ 600,000 |  |  |  |
Disposition of asset | May 06, 2020 |  |  | May 06, 2020 |  |  |  |
Subsequent Event [Member] | Hou Sing International Business Limited [Member] |  |  |  |  |  |  |  |
Subsequent Events (Textual) |  |  |  |  |  |  |  |
Stock transaction |  |  |  |  |  | 2,000,000 |  |
Stock Price Pre Share |  |  |  |  |  | $ 1.00 |  |
Subsequent Event [Member] | CACM Group NY, Inc [Member] |  |  |  |  |  |  |  |
Subsequent Events (Textual) |  |  |  |  |  |  |  |
Ownership Percentage |  |  |  |  |  |  |  | 80.00%
Subsequent Event [Member] | Baydolphin, Inc [Member] |  |  |  |  |  |  |  |
Subsequent Events (Textual) |  |  |  |  |  |  |  |
Ownership Percentage |  |  |  |  |  |  |  | 20.00%

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