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Investment Agreement Period

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Maximum Amount Of Financing Available From Future Issuance Of Convertible Preferred Stock

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Monthly lease payments.

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Percentage Of Annual Rent Accretion In Operating Lease.

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Working capital deficit.

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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Aggregate number of common shares reserved for future issuance.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

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Discount rate used by lessee to determine present value of operating lease payments.

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Amount of lessee's undiscounted obligation for lease payment for operating lease.

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Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Present value of lessee's discounted obligation for lease payments from operating lease.

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Amount of lessee's right to use underlying asset under operating lease.

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The cash outflow for cost incurred directly with the issuance of an equity security.

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The cash inflow from the additional capital contribution to the entity.

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A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer.

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The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

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Commitments and Contingencies - Additional Information (Detail) - USD ($)			1 Months Ended	3 Months Ended
	Aug. 21, 2020	Mar. 11, 2015	Mar. 31, 2016	Mar. 31, 2021	Mar. 31, 2020	Sep. 30, 2019	Dec. 31, 2020
Gain Contingencies [Line Items]
Cash and cash equivalents				$ 5,234,822			$ 6,163,205
Working capital deficit				49,200,000
Total assets				11,023,974			$ 11,759,464
Cash Lease Obligation				512,482
Lease Obligation				433,145
Right Of Use Asset				$ 421,397
Annual increases of base rent				3.00%
Sale of stock, Number of shares issued in transaction	2,553,314
Class of warrant or right, Number of securities called by warrants or rights	1,901,989
Offering costs paid on sale of common stock	$ 300,000
Net proceeds received from sale of stock	11,200,000
Lease rent expense				$ 41,000	$ 54,000
Common Stock [Member]
Gain Contingencies [Line Items]
Net proceeds received from sale of stock	$ 11,300,000
Building [Member]
Gain Contingencies [Line Items]
Lease Obligation				$ 590,612
Rate Of Discount Used				10.00%
Right Of Use Asset				$ 590,612
Corporate Office Space [Member]
Gain Contingencies [Line Items]
Lease Obligation				$ 154,233
Tenure Of Lease Agreement				5 years
Right Of Use Asset				$ 150,463
FLORIDA
Gain Contingencies [Line Items]
Effective Date Of Operating Lease Agreement				Oct. 01, 2019
Cash Lease Obligation				$ 183,971
Lease Obligation				$ 202,424
Rate Of Discount Used				10.00%
Tenure Of Lease Agreement				5 years
Right Of Use Asset				$ 202,424
Penelope Mining LLC [Member]
Gain Contingencies [Line Items]
Investment in convertible preferred stock		$ 101,000,000
Investment agreement period		3 years
MINOSA [Member]
Gain Contingencies [Line Items]
Amount of debt financed		$ 14,750,000
Cash Lease Obligation				5,200,000
Oceanica Resources S. de. R.L [Member]
Gain Contingencies [Line Items]
Grant and potential future issuance of new equity shares			3,000,000
Maximum [Member]
Gain Contingencies [Line Items]
Consultants contingent success fees			$ 700,000
Maximum [Member] \| Building [Member]
Gain Contingencies [Line Items]
Monthly Lease Payments				13,269
Maximum [Member] \| FLORIDA
Gain Contingencies [Line Items]
Monthly Lease Payments						$ 4,547
Minimum [Member] \| Building [Member]
Gain Contingencies [Line Items]
Monthly Lease Payments				$ 11,789
Minimum [Member] \| FLORIDA
Gain Contingencies [Line Items]
Monthly Lease Payments						$ 4,040