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Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2020
Accounting Policies [Abstract] |
Schedule of intangible assets, useful lives | Amortization expense is recognized ratably over the following periods:
Product rights |  | Estimated economic life
License rights |  | Term of license agreement
Patents |  | Life of patent

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- Definition Schedule of Finite-Lived Intangible Assets UseFul Lives [Table Text Block] + References No definition available. + Details
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Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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