Commitments - Additional Information (Detail) - USD ($) |
Sep. 30, 2019 |
Dec. 31, 2018 |
|---|---|---|
| Commitments [line items] | ||
| Purchase orders remain outstanding | $ 12,389,899 | $ 14,490,933 |
| Deposits | $ 2,328,959 | $ 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 Line items representing commitments. No definition available.
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- Definition Purchase commitment remaining. No definition available.
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