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Related Party Transactions - Additional Information (Detail) - USD ($)	1 Months Ended
	Sep. 30, 2019	Dec. 31, 2020	Dec. 31, 2019
Accounts Payable and Accrued Liabilities [Member]
Related Party Transaction [Line Items]
Earnest Deposit Fee Payable			$ 145,000
Deep Sea Mineral Company, CIC, LLC [Member]
Related Party Transaction [Line Items]
Accounts receivable		$ 848,588
Back Office Technical and Support Services [Member] | Deep Sea Mineral Company, CIC, LLC [Member]
Related Party Transaction [Line Items]
Accounts receivable		$ 848,588
Entity Controlled By Independent Director [Member]
Related Party Transaction [Line Items]
Earnest Money Deposit Received	$ 150,000
Entity Controlled By Independent Director [Member] | Accounts Payable and Accrued Liabilities [Member]
Related Party Transaction [Line Items]
Earnest Money Deposit Received	$ 150,000
Earnest deposit breakup fee payable in percent	10.00%
Greg Stemm Past Chairman [Member]
Related Party Transaction [Line Items]
Earnest Deposit Fee Payable	$ 450,000

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- Definition

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+ References

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+ References

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- Definition

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+ References

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- Definition

Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=121593590&loc=d3e4428-111522

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-Name Accounting Standards Codification
-Topic 310
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-Section 45
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+ References

No definition available.

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