Deferred income from revenue participation rights.

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Date Of Inception Of Operating Lease Agreement

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Investment Agreement Period

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Investment for future revenue rights.

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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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Payment for one time revenue distribution.

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

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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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Amount of operating lease expense. Excludes sublease income.

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

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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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Commitments and Contingencies - Additional Information (Detail) - USD ($) shares in Millions		1 Months Ended		3 Months Ended	12 Months Ended
	Mar. 11, 2015	Mar. 31, 2016	Feb. 28, 2011	Sep. 30, 2019	Dec. 31, 2019	Dec. 31, 2018	Jan. 31, 2020	Aug. 31, 2019
Gain Contingencies [Line Items]
Income derived from Cambridge RPC's						$ 12,986
Consultants contingent success fees						230,500
Cash and cash equivalents					$ 203,254	2,786,832
Working capital deficit					50,000,000
Total assets					5,329,720	5,473,170
Lease Obligation				$ 793,036	550,609
Right Of Use Asset				$ 793,036	$ 546,964			$ 590,612
Annual increases of base rent					3.00%
Operating lease expense					$ 67,425
North American Free Trade Agreement [Member] \| Subsequent Event [Member]
Gain Contingencies [Line Items]
Grant and potential future issuance of new equity shares							1.5
FLORIDA
Gain Contingencies [Line Items]
Effective Date Of Operating Lease Agreement				Oct. 01, 2019
Lease Obligation					$ 202,424
Rate Of Discount Used					10.00%
Tenure Of Lease Agreement				5 years
Right Of Use Asset					$ 202,424
FLORIDA \| Accounting Standards Update 2016-02 [Member]
Gain Contingencies [Line Items]
Lease Obligation					193,589
Right Of Use Asset					192,839
Building [Member]
Gain Contingencies [Line Items]
Lease Obligation					$ 590,612
Rate Of Discount Used					10.00%
Tenure Of Lease Agreement				5 years
Right Of Use Asset					$ 590,612
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
Oceanica Resources S. de. R.L [Member]
Gain Contingencies [Line Items]
Grant and potential future issuance of new equity shares		3.0
Maximum [Member]
Gain Contingencies [Line Items]
Consultants contingent success fees		$ 700,000
Maximum [Member] \| FLORIDA
Gain Contingencies [Line Items]
Monthly Lease Payments				$ 4,547
Maximum [Member] \| Building [Member]
Gain Contingencies [Line Items]
Monthly Lease Payments					13,269
Maximum [Member] \| Galt Resources [Member]
Gain Contingencies [Line Items]
Investment for future revenue rights			$ 7,512,500
Minimum [Member] \| FLORIDA
Gain Contingencies [Line Items]
Monthly Lease Payments				$ 4,040
Minimum [Member] \| Building [Member]
Gain Contingencies [Line Items]
Monthly Lease Payments					$ 11,789
Seattle and Cambridge Projects [Member]
Gain Contingencies [Line Items]
Deferred income from revenue participation rights						$ 887,500