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Summary of Significant Accounting Policies (Details Textual) | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Mar. 31, 2020 USD ($) | Mar. 31, 2019 USD ($) | Mar. 31, 2018 USD ($) | Mar. 31, 2020 CNY (¥) | Oct. 21, 2019 | Mar. 31, 2019 CNY (¥) | Apr. 25, 2017
Summary of Significant Accounting Policies (Textual) |  |  |  |  |  |  |
Allowances for doubtful accounts | $ 511,037 | $ 610,816 |  |  |  |  |
Cash | 1,889,093 | 1,113 |  |  |  |  |
Cash deposits | 4,930,406 | 3,920,811 |  |  |  |  |
Impairment loss | $ 261,574 | 76,425 |  |  |  |  |
Ownership interest | 6.00% |  |  | 6.00% | 40.00% |  | 49.00%
Description of value added tax | The Company was subject to a fixed rate of business tax of 3%. The applicable VAT rates are 6% and 3% for the entities that are general taxpayer and small-scale taxpayer, respectively. Distance Learning and Digital Information are both considered VAT general taxpayers since June 2015. |  |  |  |  |  |
Amounts of revenue recognized | $ 620,332 | 341,436 |  |  |  |  |
operating lease assets and liability |  |  | $ 47,000 |  |  |  |
HKD [Member] |  |  |  |  |  |  |
Summary of Significant Accounting Policies (Textual) |  |  |  |  |  |  |
Cash | 500,000 |  |  |  |  |  |
Cash deposits | 64,505 |  |  |  |  |  |
3 months and less than 12 months [Member] |  |  |  |  |  |  |
Summary of Significant Accounting Policies (Textual) |  |  |  |  |  |  |
Accounts receivable | 294,343 | 1,069,340 |  |  |  |  |
12 months [Member] |  |  |  |  |  |  |
Summary of Significant Accounting Policies (Textual) |  |  |  |  |  |  |
Accounts receivable | $ 108 | 413,429 |  |  |  |  |
Supplier Concentration Risk [Member] |  |  |  |  |  |  |
Summary of Significant Accounting Policies (Textual) |  |  |  |  |  |  |
Concentration risk, supplier | For the years ended March 31, 2020, 2019 and 2018, no suppliers accounted for more than 10% of total purchases. |  |  |  |  |  |
B2B2C services [Member] |  |  |  |  |  |  |
Summary of Significant Accounting Policies (Textual) |  |  |  |  |  |  |
Accounts receivable | $ 540,000 | 520,000 |  |  |  |  |
Technological development and operation services [Member] |  |  |  |  |  |  |
Summary of Significant Accounting Policies (Textual) |  |  |  |  |  |  |
Accounts receivable | ¥ |  |  |  |  |  | ¥ 1,260,000 |
Minimum [Member] |  |  |  |  |  |  |
Summary of Significant Accounting Policies (Textual) |  |  |  |  |  |  |
Ownership interest | 20.00% |  |  | 20.00% |  |  |
Maximum [Member] |  |  |  |  |  |  |
Summary of Significant Accounting Policies (Textual) |  |  |  |  |  |  |
Ownership interest | 55.00% |  |  | 55.00% |  |  |
Customers [Member] |  |  |  |  |  |  |
Summary of Significant Accounting Policies (Textual) |  |  |  |  |  |  |
Accounts receivable |  | $ 1,240,000 |  |  |  |  |
Accounts receivable, description |  |  |  |  |  |  |
Sales Revenue [Member] | Customer Two [Member] |  |  |  |  |  |  |
Summary of Significant Accounting Policies (Textual) |  |  |  |  |  |  |
Concentration risk customer percentage |  | 13.00% |  |  |  |  |
Sales Revenue [Member] | Customer One [Member] |  |  |  |  |  |  |
Summary of Significant Accounting Policies (Textual) |  |  |  |  |  |  |
Concentration risk customer percentage |  | 16.00% |  |  |  |  |
Accounts Receivable [Member] | Customer Two [Member] |  |  |  |  |  |  |
Summary of Significant Accounting Policies (Textual) |  |  |  |  |  |  |
Concentration risk customer percentage | 11.00% |  |  |  |  |  |
Accounts Receivable [Member] | Customer One [Member] |  |  |  |  |  |  |
Summary of Significant Accounting Policies (Textual) |  |  |  |  |  |  |
Concentration risk customer percentage | 15.00% |  |  |  |  |  |
Accounts Receivable [Member] | Customer [Member] |  |  |  |  |  |  |
Summary of Significant Accounting Policies (Textual) |  |  |  |  |  |  |
Concentration risk customer percentage |  | 70.00% |  |  |  |  |

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