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Loans Payable - Note 1 - Monaco 2014 - Additional Information (Detail) - USD ($)			1 Months Ended	3 Months Ended		6 Months Ended
	Dec. 10, 2015	Aug. 14, 2014	Mar. 31, 2016	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020	Apr. 01, 2018	Oct. 01, 2016	Dec. 01, 2014	Oct. 01, 2014
Debt Instrument [Line Items]
Aggregate amount issuable										$ 3,000,000.0
Aggregate value of shares issued to lender						$ 713,879
Second Tranche [Member]
Debt Instrument [Line Items]
Debt instrument maturity date	Dec. 31, 2017
Third Tranche [Member]
Debt Instrument [Line Items]
Debt instrument maturity date	Dec. 31, 2017
Note 1- Monaco 2014 [Member]
Debt Instrument [Line Items]
Aggregate amount issuable		$ 10,000,000.0
Interest rate, stated percentage		11.00%
Litigation Settlement Loans Payable	$ 2,200,000
Notes ceased to bear interest, amount	$ 5,000,000.0
Debt instrument maturity date	Dec. 31, 2017		Apr. 01, 2018
Accrued interest				$ 142,886	$ 142,885	284,201	$ 285,770
Outstanding notes balance				2,800,000		2,800,000		$ 2,800,000
Note 1- Monaco 2014 [Member] | Oceanica Resources S. de. R.L [Member]
Debt Instrument [Line Items]
Per share value of shares exercised by private investor		$ 3.15
Aggregate value of shares issued to lender		$ 1,000,000.0
Note 1- Monaco 2014 [Member] | Oceanica Resources S. de. R.L [Member] | Loan Modification March Two Thousand Sixteen [Member]
Debt Instrument [Line Items]
Per share value of shares exercised by private investor			$ 1.00
Note 1- Monaco 2014 [Member] | First Tranche [Member]
Debt Instrument [Line Items]
Loan amount borrowed		$ 5,000,000.0
Note 1- Monaco 2014 [Member] | Second Tranche [Member]
Debt Instrument [Line Items]
Loan amount borrowed												$ 2,500,000
Note 1- Monaco 2014 [Member] | Third Tranche [Member]
Debt Instrument [Line Items]
Loan amount borrowed											$ 2,500,000
Note 2 [Member]
Debt Instrument [Line Items]
Aggregate amount issuable			$ 1,825,000
Interest rate, stated percentage			10.00%
Debt instrument maturity date			Apr. 15, 2018
Accrued interest				$ 66,721	$ 66,721	$ 132,709	$ 133,442
Debt default interest rate				18.00%		18.00%			18.00%
Outstanding notes balance				$ 1,175,000		$ 1,175,000		$ 1,175,000

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