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Concentrations of Risk (Details) - customer | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Concentration Risk [Line Items] |  |
Threshold used for calculating concentration of risk, percentage | 10.00% | 10.00%
Major Customers | Total Revenue | Customer risk |  |
Concentration Risk [Line Items] |  |
Percentage of accounts receivable and total revenue | 10.00% | 10.00%
Number of major customers | 3 | 3
Major Customers | Accounts Receivable | Accounts receivable risk |  |
Concentration Risk [Line Items] |  |
Number of major customers | 3 | 3
Customer One | Total Revenue | Customer risk |  |
Concentration Risk [Line Items] |  |
Percentage of accounts receivable and total revenue | 15.00% | 45.00%
Customer One | Accounts Receivable | Accounts receivable risk |  |
Concentration Risk [Line Items] |  |
Percentage of accounts receivable and total revenue | 45.00% | 57.00%
Customer Two | Total Revenue | Customer risk |  |
Concentration Risk [Line Items] |  |
Percentage of accounts receivable and total revenue | 14.00% | 22.00%
Customer Two | Accounts Receivable | Accounts receivable risk |  |
Concentration Risk [Line Items] |  |
Percentage of accounts receivable and total revenue | 12.00% | 0.00%
Customer Three | Total Revenue | Customer risk |  |
Concentration Risk [Line Items] |  |
Percentage of accounts receivable and total revenue | 13.00% | 11.00%
Customer Three | Accounts Receivable | Accounts receivable risk |  |
Concentration Risk [Line Items] |  |
Percentage of accounts receivable and total revenue | 8.00% | 0.00%
Customer Four | Accounts Receivable | Accounts receivable risk |  |
Concentration Risk [Line Items] |  |
Percentage of accounts receivable and total revenue | 20.00% | 12.00%

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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://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=123359005&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=123594938&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=123594938&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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