Significant Accounting Policies - Marketable Securities (Details) - USD ($) |
Dec. 31, 2020 |
Sep. 30, 2020 |
|---|---|---|
| Marketable Securities | ||
| Marketable securities | $ 0 | $ 0 |
| X | ||||||||||
- Definition Amount of investment in marketable security. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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