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Financial Instruments (Fair Value Using Black-Scholes Option-Pricing Model) (Details) | Jun. 30, 2021 year $ / shares | Dec. 31, 2020 year $ / shares
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Share price [Member] | Fixed-price Preemptive Rights [Member] |  |
Derivative [Line Items] |  |
Derivative asset, measurement input | $ / shares | 10.68 | 8.84
Share price [Member] | Cronos Warrant [Member] |  |
Derivative [Line Items] |  |
Derivative asset, measurement input | $ / shares | 10.68 | 8.84
Expected Life [Member] | Fixed-price Preemptive Rights [Member] |  |
Derivative [Line Items] |  |
Derivative asset, measurement input | 1.24 | 1.05
Expected Life [Member] | Cronos Warrant [Member] |  |
Derivative [Line Items] |  |
Derivative asset, measurement input | 1.68 | 2.18
Expected Volatility [Member] | Fixed-price Preemptive Rights [Member] |  |
Derivative [Line Items] |  |
Derivative asset, measurement input | 0.7522 | 0.8068
Expected Volatility [Member] | Cronos Warrant [Member] |  |
Derivative [Line Items] |  |
Derivative asset, measurement input | 0.7522 | 0.8068
Risk Free Interest Rate [Member] | Fixed-price Preemptive Rights [Member] |  |
Derivative [Line Items] |  |
Derivative asset, measurement input | 0.0029 | 0.0013
Risk Free Interest Rate [Member] | Fixed-price Preemptive Rights [Member] | Minimum [Member] |  |
Derivative [Line Items] |  |
Derivative asset, measurement input | 0.0015 | 0.0006
Risk Free Interest Rate [Member] | Fixed-price Preemptive Rights [Member] | Maximum [Member] |  |
Derivative [Line Items] |  |
Derivative asset, measurement input | 0.0085 | 0.0039
Risk Free Interest Rate [Member] | Cronos Warrant [Member] |  |
Derivative [Line Items] |  |
Derivative asset, measurement input | 0.0038 | 0.0021
Expected Dividend Yield [Member] | Fixed-price Preemptive Rights [Member] |  |
Derivative [Line Items] |  |
Derivative asset, measurement input | 0 | 0
Expected Dividend Yield [Member] | Cronos Warrant [Member] |  |
Derivative [Line Items] |  |
Derivative asset, measurement input | 0 | 0
Weighted Average Expected Term [Member] | Fixed-price Preemptive Rights [Member] | Minimum [Member] |  |
Derivative [Line Items] |  |
Derivative asset, measurement input | 0.25 | 0.25
Weighted Average Expected Term [Member] | Fixed-price Preemptive Rights [Member] | Maximum [Member] |  |
Derivative [Line Items] |  |
Derivative asset, measurement input | 4.25 | 5

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