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Loans Payable - Note 10 - 37 North - Additional Information (Detail)		3 Months Ended	12 Months Ended
	Dec. 10, 2019 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2020 USD ($) $ / shares shares	Dec. 31, 2019 USD ($) $ / shares	Dec. 06, 2019 USD ($) $ / shares	Oct. 01, 2016 USD ($)
Aggregate amount issuable						$ 3,000,000
Converting debt instrument into common stock shares | $ / shares			$ 0.0001	$ 0.0001	$ 0.0001
Debt Conversion, Description			Applicable Conversion Amount” means, on the date of determination and with respect to each Note, (a) for the period beginning on the date of issuance and ending on the day immediately preceding the Maturity Date, an amount equal to 100.0% of the amount of the Loan evidenced by such Note then outstanding; (b) on the Maturity Date, 136.0% of the amount of the Loan evidenced by such Note then outstanding (such amount, the “Enhanced Conversion Amount”); (c) for the period beginning on the day immediately following the Maturity Date and for a period of three months thereafter (such three-month period, the “Accrual Period”), an amount equal to (i) the Enhanced Conversion Amount then outstanding plus (ii) an additional amount equal to 3.0% per month (prorated for any period of less than a full month) accrued on the amount described in clause (i); and (d) on any date after the Accrual Period, the amount then outstanding after giving effect to the accrual described in clause (c) during the Accrual Period (it being understood that no additional amount shall accrue after the expiration of the Accrual Period); and “Applicable Conversion Rate” means (x) with respect to any conversion on or prior to the Maturity Date, $5.00, and (y) with respect to any conversion after the Maturity Date, the lower of (i) $5.00 and (ii) 80.0% of the ten-day volume-weighted average price of Odyssey’s common stock. Notwithstanding anything in the Purchase Agreement to the contrary, we are prohibited from issuing any Conversion Shares, to the extent such shares, after giving effect to such issuance after conversion and when added to the number of Conversion Shares previously issued upon conversion of any of the Notes sold pursuant to the Purchase Agreement, would represent in excess of 19.9% of (A) the number of shares of our common stock outstanding immediately after giving effect to such issuances or (B) the total voting power of our securities outstanding immediately after giving effect to such issuances that are entitled to vote on a matter being voted on by holders of our common stock.
Amount receivable related to a loss contingency			$ 11,489,029	$ 2,957,097
Debt instrument, number of shares | shares			329,498
Minimum [Member]
Conversion price of Notes | $ / shares			$ 3.71
Maximum [Member]
Conversion price of Notes | $ / shares			$ 5.00
Measurement Input Counterparty Credit Risk [Member] | Minimum [Member]
Hybrid Instrument measurement input			1,800
Measurement Input Counterparty Credit Risk [Member] | Maximum [Member]
Hybrid Instrument measurement input			2,400
Measurement Input, Price Volatility [Member] | Minimum [Member]
Hybrid Instrument measurement input			3,500
Measurement Input, Price Volatility [Member] | Maximum [Member]
Hybrid Instrument measurement input			8,700
Measurement Input Conversion Price [Member]
Hybrid Instrument measurement input			5.00
Convertible Debt [Member]
Proceeds from Issuance of Debt			$ 490,000
Fair value of hybrid instrument issued				$ 861,484
Hybrid debt instrument at fair value			$ 732,958
Shares Outstanding Post Conversion | %			19.90%
Note Purchase Agreement [Member]
Proceeds from Issuance of Debt		$ 490,000
Percentage of proceeds on all unpaid loans					155.00%
Note Purchase Agreement [Member] | Convertible Debt [Member]
Aggregate amount issuable					$ 2,000,000
Proceeds from Issuance of Debt	$ 539,000

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