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v3.20.2

Concentrations of Credit Risk, Customers, and Suppliers (Details Narrative) - USD ($) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Aug. 31, 2019 | Mar. 31, 2020 | Mar. 31, 2019 | Mar. 31, 2018
Total Net Sales | $ 1,600,000 | $ 41,418,304 | $ 46,482,998 |
Republic of China [Member] |  |  |  |
Concentration of sales risk, percentage |  | 100.00% | 100.00% |
Debt description |  |  |  | The U.S. government imposed tariffs of up to 25% on certain goods imported from China. All of our products are manufactured and imported from China however, only our microphones are currently subject to a 7.5% tariff currently in place.
Accounts Receivable [Member] |  |  |  |
Concentration of sales risk, percentage |  | 10.00% |  |
Accounts Receivable [Member] | Four Customers [Member] | North America [Member] |  |  |  |
Concentration of sales risk, percentage |  | 82.00% |  |
Accounts Receivable [Member] | Two Customers [Member] | North America [Member] |  |  |  |
Concentration of sales risk, percentage |  |  | 62.00% |
Sales Revenue [Member] | Macau Subsidiary [Member] |  |  |  |
Total Net Sales |  | $ 4,500,000 | $ 7,600,000 |
Sales Revenue [Member] | Three Customers [Member] |  |  |  |
Concentration of sales risk, percentage |  | 63.00% | 66.00% |
Sales Revenue [Member] | Customers [Member] |  |  |  |
Concentration of sales risk, percentage |  | 10.00% |  |
Sales Revenue [Member] | Customer One [Member] |  |  |  |
Concentration of sales risk, percentage |  | 39.00% | 13.00% |
Sales Revenue [Member] | Customer Two [Member] |  |  |  |
Concentration of sales risk, percentage |  | 11.00% | 39.00% |
Sales Revenue [Member] | Customer Three [Member] |  |  |  |
Concentration of sales risk, percentage |  | 14.00% | 13.00% |

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