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v3.21.2

Concentration and Major Customers and Suppliers (Details) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Total Sales [Member] |  |  |  |
Concentration and Major Customers and Suppliers (Details) [Line Items] |  |  |  |
Concentration credit risk, percentage | 10.00% | 10.00% | 10.00% | 10.00%
Total Purchases [Member] |  |  |  |
Concentration and Major Customers and Suppliers (Details) [Line Items] |  |  |  |
Number of major supplier | 3 | 3 | 2 | 3
Supplier One [Member] | Total Purchases [Member] |  |  |  |
Concentration and Major Customers and Suppliers (Details) [Line Items] |  |  |  |
Concentration credit risk, percentage | 74.00% | 75.00% | 78.00% | 74.00%
Supplier Two [Member] | Total Purchases [Member] |  |  |  |
Concentration and Major Customers and Suppliers (Details) [Line Items] |  |  |  |
Concentration credit risk, percentage | 12.00% | 11.00% | 11.00% | 11.00%
Supplier Three [Member] | Total Purchases [Member] |  |  |  |
Concentration and Major Customers and Suppliers (Details) [Line Items] |  |  |  |
Concentration credit risk, percentage | 5.00% |  |  | 4.00%
Supplier Four [Member] | Total Purchases [Member] |  |  |  |
Concentration and Major Customers and Suppliers (Details) [Line Items] |  |  |  |
Concentration credit risk, percentage |  | 3.00% |  |

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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References No definition available. + Details
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