| PhunCoin (Details) - USD ($) $ in Thousands | 6 Months Ended | |
|---|---|---|
| Jun. 30, 2021 | Dec. 31, 2020 | |
| Security Token [Abstract] | ||
| PhunCoin deposits | $ 1,202 | $ 1,202 | 
| Period after issuance of rights | 1 year | 
| X | ||||||||||
| 
- Definition Security Token No definition available. 
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| X | ||||||||||
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- Definition Security Token, Period After Issuance of Rights No definition available. 
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| X | ||||||||||
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- Definition The current portion, due within one year or one operating cycle, if longer, of deposits held other than customer deposits. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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