Marketable Securities - Additional Information (Detail) |
9 Months Ended | |
|---|---|---|
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Sep. 30, 2020
USD ($)
Security
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Dec. 31, 2019
USD ($)
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| Marketable Securities [Abstract] | ||
| Marketable securities | $ 0 | |
| Maturity period classified current investments | less than one year | |
| Number of securities in unrealized loss position for less than one year | Security | 15 | |
| Aggregate fair value of debt securities | $ 19,592,520 |
| X | ||||||||||
- Definition Maturity period for marketable securities investments classification as current investments. No definition available.
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| X | ||||||||||
- Definition Number of investment positions in available-for-sale investments in a continuous unrealized loss position for less than one year or normal operating cycle, if longer, for which an other-than-temporary impairment (OTTI) has not been recognized in the income statement. No definition available.
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| X | ||||||||||
- Definition Fair value of investment in debt security measured at amortized cost (held-to-maturity), in continuous unrealized loss position for less than 12 months. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| 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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