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Related Party Transactions - Additional Information (Detail) - USD ($) | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Sep. 30, 2018 | Sep. 30, 2018 | Sep. 30, 2018 | Dec. 31, 2017
Related Party Transaction [Line Items] |  |  |  |
Accounts receivables | $ 667,182 | $ 667,182 | $ 667,182 | $ 232,380
Investment in unconsolidated entity | 529,882 | 529,882 | 529,882 |
Deep Sea Mineral Company [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Accounts receivable | 280,021 | 280,021 | 280,021 |
Receivable to be paid in cash | 56,035 | 56,035 | 56,035 |
Option to convert receivable to equity |  | 223,986 |  |
Deep Sea Mineral Company [Member] | Variable Interest Entity, Not Primary Beneficiary [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Investment in unconsolidated entity | 529,882 | 529,882 | 529,882 |
Monaco [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Accounts receivables | 555,379 | 555,379 | 555,379 | 183,453
Operating payable | 261,042 | $ 261,042 | 261,042 | $ 80,320
Lease amount | $ 20,080 |  |  |
Revenue recognized from related party transaction |  |  | $ 1,600,000 |

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