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Related Party Transactions - Additional Information (Detail) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Mar. 31, 2019 | Jun. 30, 2018 | Dec. 31, 2018
Deep Sea Mineral Company, CIC, LLC [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Accounts receivable | $ 227,492 |  |
Receivable to be paid in cash | 220,492 |  |
Option to convert receivable to equity | 7,000 |  |
Monaco [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Operating payable | 213,776 |  | $ 233,855
Lease amount |  | $ 20,080 |
Revenue recognized from related party transaction | 500,000 |  |
Accounts receivable | $ 614,123 |  | $ 612,498

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