Class of Warrant or Right, Number of Warrants Exercised During Period

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- Definition

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

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

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- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

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- Definition

Number of warrants or rights outstanding.

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No definition available.

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- Definition

The cash inflow associated with the amount received from holders exercising their stock warrants.

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- Definition

Cash received on stock transaction after deduction of issuance costs.

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No definition available.

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- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

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No definition available.

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- Definition

Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

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No definition available.

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- Definition

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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No definition available.

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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

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- Definition

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

+ References

No definition available.

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- Definition

Weighted average price at which option holders acquired shares when converting their stock options into shares.

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No definition available.

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- Definition

Purchase price of common stock expressed as a percentage of its fair value.

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No definition available.

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- Definition

Number of shares issued during the period as a result of an employee stock purchase plan.

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- Definition

In cases when treasury stock is reissued at a price lower than the cost to repurchase, the excess difference between the selling price and cost to repurchase is charged against retained earnings (assuming that all APIC arising from treasury stock transactions has first been exhausted).

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Number of shares that have been repurchased during the period and are being held in treasury.

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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Stock-Based Compensation and Stockholders' Equity - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands				1 Months Ended	3 Months Ended		9 Months Ended
	Aug. 25, 2020	Mar. 10, 2020	Jan. 28, 2020	Jun. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted during period (in shares)							333,025
Stock compensation expense (benefit)					$ 2,340	$ 1,289	$ 6,232	$ (4,195)
Stock issued under employee stock purchase plan (in shares)					0		149,865
Warrants outstanding (in shares)					9,400,000		9,400,000		10,500,000
Number of shares of common stock to be issued for upon exercise of warrants (in shares)					5,200,000		5,200,000		5,800,000
Warrant, exercise price (in usd per share)					$ 24.39		$ 24.39		$ 24.39
Number of warrants exercised during period (in shares)					15,425	0	1,026,649	0
Proceeds from warrant exercises							$ 13,900
Number of shares issued (in shares)	68,857
Price per share (in usd per share)	$ 10.17
Total value raised, net of expenses	$ 400
Reissued treasury stock	$ (800)
Purchase of treasury stock (in shares)		800,000	1,000,000	800,000	0		0
Purchase of treasury stock		$ 9,200	$ 12,600	$ 8,800				$ 30,626
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average exercise price of options exercised during period (in usd per share)							$ 3.68
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average exercise price of options exercised during period (in usd per share)							$ 13.82
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense (benefit)					$ 1,600	$ 1,300	$ 4,800	$ (4,200)
2021 Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense (benefit)					$ 800		$ 1,400
Purchase price, after discount							85.00%
Stock available for purchase under ESPP (in shares)					2,000,000		2,000,000