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Concentration and Major Customers and Suppliers (Details) | 3 Months Ended
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Mar. 31, 2019 Supplier Customer | Mar. 31, 2018 Supplier Customer
Concentration and Major Customers and Suppliers (Textual) |  |
Number of major supplier | Supplier | 3 | 3
Number of customer | Customer |  |
Supplier One [Member] |  |
Concentration and Major Customers and Suppliers (Textual) |  |
Percentage of revenue | 80.00% | 41.00%
Supplier Two [Member] |  |
Concentration and Major Customers and Suppliers (Textual) |  |
Percentage of revenue | 9.00% | 20.00%
Supplier Three [Member] |  |
Concentration and Major Customers and Suppliers (Textual) |  |
Percentage of revenue | 4.00% | 10.00%
Sales [Member] |  |
Concentration and Major Customers and Suppliers (Textual) |  |
Percentage of revenue | 10.00% | 10.00%

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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 Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13531-108611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13537-108611 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592 + Details
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