Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Issued, Number

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable Period

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Share-based Compensation Arrangement by Share-based Payment Award, Period Of Exercise Price

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- Definition

Unrecognized Compensation Costs Related to RSU Awards

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Unrecognized Compensation Costs Related to Unvested Stock Options

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

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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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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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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Net number of non-option equity instruments granted to participants.

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- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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- Definition

The grant-date intrinsic value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Number of shares issued under share-based payment arrangement.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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SHARE-BASED PAYMENTS - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended		12 Months Ended
	Apr. 18, 2022	Jan. 25, 2022	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021	Dec. 31, 2019	Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award exercise period			5 years
Exercisable options, weighted average remaining contractual term			2 years 2 months 12 days
Grants in period, weighted average exercise price (in dollars per share)			$ 6.69		$ 3.99
Number of options (in shares)			819,652		942,882		1,609,087
Number of exercisable options (in shares)			745,822
Outstanding options, weighted average exercise price (in dollars per share)			$ 2.99		$ 2.79		$ 2.91
Exercisable options, weighted average exercise price (in dollars per share)			$ 2.79
Options, vested and expected to Vest, aggregate intrinsic value			$ 5,048
Share-based compensation			$ 862	$ 697
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term			2 years 4 months 20 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value			$ 980	770
Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of grants in period (in shares)	70,000.00
Stock Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, shares authorized (in shares)			15,718,025
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period		100,000
Award vesting period			2 years
Share-based compensation			$ 32	$ 200
Unrecognized compensation costs related to unvested stock options			$ 120
Share-based compensation, nonvested awards, compensation cost not yet recognized, period for recognition			1 year 6 months 7 days
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period		330,000
Award vesting period			3 years
Granted, nonvested, number of shares (in shares)			330,000	440,000
Grants in period, grant date intrinsic value (in dollars per share)			$ 2,930,000	$ 2,670,000
Share-based compensation			$ 484	$ 362
Unrecognized compensation costs related to RSU awards			$ 2,310
Share-based compensation, nonvested awards, compensation cost not yet recognized, period for recognition			2 years 1 month 20 days
Restricted Stock Units (RSUs) \| Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, nonvested, number of shares (in shares)	20,000.00
Stock Appreciation Rights (SARs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period		830,000
Award vesting period			5 years			5 years
Number of grants in period (in shares)						2,200,000
Grants in period, weighted average exercise price (in dollars per share)						$ 1.25
Granted, nonvested, number of shares (in shares)			730,686
Share-based compensation			$ 346	$ 135
Unrecognized compensation costs related to RSU awards			$ 2,280
Share-based compensation, nonvested awards, compensation cost not yet recognized, period for recognition			1 year 4 months 28 days
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Issued, Number			730,000
Stock Appreciation Rights (SARs) \| Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted	100,000
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercisable options, weighted average remaining contractual term			10 years
Grants in period, weighted average exercise price (in dollars per share)			$ 10.03		8.41
Outstanding options, weighted average exercise price (in dollars per share)			10.03		$ 8.41		$ 15.61
Exercisable options, weighted average exercise price (in dollars per share)			7.14
Share-based Compensation Award, Tranche One \| Stock Appreciation Rights (SARs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants in period, weighted average exercise price (in dollars per share)			$ 12.00			$ 5.00
Period of exercise price			90 days			90 days
Share-based Compensation Award, Tranche Two \| Stock Appreciation Rights (SARs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants in period, weighted average exercise price (in dollars per share)			$ 14.00			$ 7.00
Period of exercise price			90 days			90 days
Share-based Compensation Award, Tranche Three \| Stock Appreciation Rights (SARs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants in period, weighted average exercise price (in dollars per share)			$ 16.00			$ 10.00
Period of exercise price			90 days			90 days
Common Stock \| Stock Appreciation Rights (SARs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants in period, weighted average exercise price (in dollars per share)			$ 6.47			$ 2.92