Commitments - Additional Information (Detail) - USD ($) |
Mar. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
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| Commitments [abstract] | |||
| Purchase orders remain outstanding | $ 1,305,910 | $ 1,327,294 | $ 12,756,962 |
| Deposits | $ 481,400 | $ 481,400 | $ 8,541,630 |
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- Definition The amount of short-term deposits held by the entity that are not classified as cash equivalents. [Refer: Cash equivalents] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Commitments No definition available.
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- Definition Purchase commitment remaining. No definition available.
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