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Stock-Based Compensation - Restricted Stock Awards (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended	3 Months Ended
	Jun. 30, 2020	Mar. 31, 2022
Number of Shares
Unvested restricted stock as at beginning of period (in shares)		493,185
Vested (in shares)		(49,318)
Unvested restricted stock as at end of period (in shares)		443,867
Grant Date Fair Value
Unvested restricted stock as at beginning of period (in dollars per share)		$ 2.40
Vested (in dollars per share)		2.40
Unvested restricted stock as at ending of period (in dollars per share)		$ 2.40
Unvested restricted common stock | 2014 Plan. | Share-based Payment Arrangement, Employee
Stock-Based Compensation
Value of restricted common stock granted	$ 1.9
Number of Shares
Granted (in shares)	789,095
Grant Date Fair Value
Granted (in dollars per share)	$ 2.40

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- Definition

Amount of stock awards 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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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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