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Commitments and Contingencies - Additional Information (Detail) - USD ($) | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2018 | Dec. 31, 2018 | Dec. 31, 2019
Commitments and Contingencies Disclosure [Line Items] |  |  |
Contract receivable, due in next twelve months |  |  | $ 70,739,504
Contract receivable, due in year two |  |  | 21,901,012
Contract receivable, due in year three |  |  | 5,596,044
Contract receivable, due in year four |  |  | 1,500,000
Contract receivable, due in year five |  |  | 1,500,000
Contract receivable, due in after five year |  |  | $ 7,436,644
Astrid and Kazak [Member] |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |
Sale leaseback transaction, rent expense | 12 months | 12 months |

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- Definition Amount billed to customers under long-term contracts or programs to be collected after the fifth fiscal year following the latest fiscal year. Excludes amounts due that have been withheld because of retainage provisions in a contract. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 910 -SubTopic 310 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118388040&loc=d3e49354-109356 + Details
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