Organization and Significant Accounting Policies. (Details) - Schedule of purchases from external customers - Purchases [Member] |
12 Months Ended | |
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Dec. 31, 2020 |
Dec. 31, 2019 |
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| Supplier A [Member] | ||
| Organization and Significant Accounting Policies. (Details) - Schedule of purchases from external customers [Line Items] | ||
| Concentration percentage | 9.00% | 25.00% |
| Supplier B [Member] | ||
| Organization and Significant Accounting Policies. (Details) - Schedule of purchases from external customers [Line Items] | ||
| Concentration percentage | 16.00% | 16.00% |
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- References No definition available.
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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