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Property and Equipment - Summary of Property and Equipment (Detail) - USD ($) | Dec. 31, 2020 | Dec. 31, 2019
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Property, Plant and Equipment [Line Items] |  |
Property and equipment, gross | $ 7,902,756 | $ 11,404,751
Less: Accumulated depreciation | (7,287,999) | (10,647,910)
Total property and equipment | 614,757 | 756,841
Computers and Peripherals [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property and equipment, gross | 612,286 | 706,274
Furniture and Office Equipment [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property and equipment, gross | 1,267,281 | 1,854,098
Marine Equipment [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property and equipment, gross | 5,416,150 | 8,104,576
Right to use asset, net [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property and equipment, gross | $ 607,039 | $ 739,803

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