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Concentrations of Credit Risk and Major Customers (Details) | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Customer L [Member] | Accounts Receivable [Member] |  |  |
Concentrations of Credit Risk and Major Customers (Details) [Line Items] |  |  |
Concentration risk, percentage | 45.09% |  |
Customer M [Member] | Accounts Receivable [Member] |  |  |
Concentrations of Credit Risk and Major Customers (Details) [Line Items] |  |  |
Concentration risk, percentage | 24.89% |  |
Customer N [Member] | Accounts Receivable [Member] |  |  |
Concentrations of Credit Risk and Major Customers (Details) [Line Items] |  |  |
Concentration risk, percentage | 19.82% |  |
Customer O [Member] | Accounts Receivable [Member] |  |  |
Concentrations of Credit Risk and Major Customers (Details) [Line Items] |  |  |
Concentration risk, percentage | 11.72% |  |
Customer H [Member] | Accounts Receivable [Member] |  |  |
Concentrations of Credit Risk and Major Customers (Details) [Line Items] |  |  |
Concentration risk, percentage |  | 36.88% |
Customer I [Member] | Accounts Receivable [Member] |  |  |
Concentrations of Credit Risk and Major Customers (Details) [Line Items] |  |  |
Concentration risk, percentage |  | 26.51% |
Customer J [Member] | Accounts Receivable [Member] |  |  |
Concentrations of Credit Risk and Major Customers (Details) [Line Items] |  |  |
Concentration risk, percentage |  | 25.61% |
Customer K [Member] | Accounts Receivable [Member] |  |  |
Concentrations of Credit Risk and Major Customers (Details) [Line Items] |  |  |
Concentration risk, percentage |  | 11.00% |
Supplier B [Member] |  |  |
Concentrations of Credit Risk and Major Customers (Details) [Line Items] |  |  |
Concentration risk, percentage |  | 11.99% |
Supplier B [Member] | Accounts Payable [Member] |  |  |
Concentrations of Credit Risk and Major Customers (Details) [Line Items] |  |  |
Concentration risk, percentage | 11.84% | 30.30% |
Customer [Member] |  |  |
Concentrations of Credit Risk and Major Customers (Details) [Line Items] |  |  |
Customer, concentration risk, description | customers accounting for 10% or more | customers accounting for 10% or more | customers accounting for 10% or more
Suppliers [Member] |  |  |
Concentrations of Credit Risk and Major Customers (Details) [Line Items] |  |  |
Supplier, concentration risk, description | suppliers accounting for 10% or more | suppliers accounting for 10% or more | suppliers accounting for 10% or more

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- Definition Description of risks that arise due to the volume of business transacted with a particular customer. At a minimum, the description informs financial statement users of the general nature of the risk, but excludes "Information about Major Customers" that may be disclosed elsewhere (for instance, segment disclosures). + 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 -Subparagraph (a) -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 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6327-108592 + Details
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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://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9054-108599 Reference 2: 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 3: 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=121572278&loc=d3e13531-108611 Reference 4: 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=121572278&loc=d3e13537-108611 Reference 5: 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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