Commitments and Contingencies - Additional Information (Detail) - USD ($)				1 Months Ended	3 Months Ended		9 Months Ended
	Jul. 10, 2022	Jun. 10, 2022	Mar. 11, 2015	Mar. 31, 2016	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Other Commitments [Line Items]
Cash and cash equivalents					$ 6,782,608		$ 6,782,608		$ 2,274,751
Working capital deficit					53,100,000		53,100,000
Total assets					14,337,383		14,337,383		$ 8,908,887
Cash Lease Obligation					288,056		288,056
Sale of stock, Number of shares issued in transaction	4,939,515	4,939,515
Class of warrant or right, Number of securities called by warrants or rights	4,939,515	4,939,515
Offering costs paid on sale of common stock	$ 1,800,000	$ 1,800,000
Net proceeds received from sale of stock							16,512,375	$ 0
Lease rent expense					54,600	$ 41,000	163,600	$ 122,000
Common Stock [Member]
Other Commitments [Line Items]
Net proceeds received from sale of stock		$ 14,700,000
Corporate Office Space [Member]
Other Commitments [Line Items]
Lease Obligation					262,023		262,023
Right Of Use Asset					249,371		249,371
Marine Operations [Member]
Other Commitments [Line Items]
Lease Obligation					97,048		97,048
Right Of Use Asset					92,462		92,462
Penelope Mining LLC [Member]
Other Commitments [Line Items]
Investment in convertible preferred stock			$ 101,000,000
Investment agreement period			3 years
MINOSA [Member]
Other Commitments [Line Items]
Amount of debt financed			$ 14,750,000
Cash Lease Obligation					$ 6,800,000		$ 6,800,000
Maximum [Member]
Other Commitments [Line Items]
Consultants contingent success fees				$ 700,000