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Revenue (Details) | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Revenue (Details) [Line Items] |  |
Percentage of total product sales | 14.00% | 11.00%
United States [Member] |  |
Revenue (Details) [Line Items] |  |
Percentage of total product sales | 86.00% | 89.00%

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