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Equity Compensation Plan - Additional Information (Detail) - USD ($)		12 Months Ended
	Aug. 23, 2018	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Share Based Compensation Arrangement By Share Based Payment Award Options [Line Items]
Dividends, total		$ 0	$ 0	$ 0
Share-based compensation arrangement by share-based payment award, equity instruments other than options, vested in period, fair value		0	844,141	0
Non Vested Restricted Stock [Member]
Share Based Compensation Arrangement By Share Based Payment Award Options [Line Items]
Share-based compensation arrangement by share-based payment award, equity instruments other than options, grants in period	264,621
Share-based compensation arrangement by share-based payment award, equity instruments other than options, grants in period, weighted average grant date fair value	$ 3.59
Share-based compensation arrangement by share-based payment award, award vesting period	1 year
Restricted Stock [Member] | General and Administrative Expense [Member]
Share Based Compensation Arrangement By Share Based Payment Award Options [Line Items]
Allocated share-based compensation expense, total		$ 0	$ 611,644	$ 338,356
The Plan Member
Share Based Compensation Arrangement By Share Based Payment Award Options [Line Items]
Common stock, reserved percentage		10.00%
The Plan Member | Restricted Stock [Member]
Share Based Compensation Arrangement By Share Based Payment Award Options [Line Items]
Share-based compensation arrangement by share-based payment award, equity instruments other than options, grants in period		264,621
2007 Plan [Member] | Restricted Stock [Member]
Share Based Compensation Arrangement By Share Based Payment Award Options [Line Items]
Share-based compensation arrangement by share-based payment award, equity instruments other than options, grants in period		555,479

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, common and preferred stock.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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