Class of Warrant or Right, Percent of Outstanding Common Stock, Maximum

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- Definition

Class of Warrant or Right, Threshold Trading Days

+ References

No definition available.

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- Definition

Share-Based Compensation Arrangement By Share-Based Payment Award, Options And Equity Instruments Other Than Options, Outstanding, Number

+ References

No definition available.

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- Definition

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

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21475-112644

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- Definition

Number of warrants or rights outstanding.

+ References

No definition available.

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

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.

+ References

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- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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.

+ References

No definition available.

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- Definition

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

+ References

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 718
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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

+ References

No definition available.

+ Details

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Stock-Based Compensation - Narrative (Details)		3 Months Ended
Stock-Based Compensation - Narrative (Details)	Mar. 31, 2022 USD ($) day $ / shares shares	Mar. 31, 2022 USD ($) $ / shares shares	Mar. 31, 2021 USD ($)	Mar. 08, 2022 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized (in shares)	5,359,397	5,359,397
Expiration period (in years)		10 years
Shares reserved for future award (in shares)	390,186	390,186
Share-based compensation expense \| $		$ 3,000,000	$ 2,600,000
Special Situations Investing Group II, LLC
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price of warrants (in dollars per share) \| $ / shares	$ 0.01	$ 0.01
Special Situations Investing Group II, LLC \| Amendment Warrant
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrants outstanding (in shares)				111,680
Special Situations Investing Group II, LLC \| Ticking Warrant
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrants outstanding (in shares)	19,984	19,984
Warrants outstanding \| $	$ 47,500	$ 47,500
Warrants, threshold trading days \| day	5
Warrants, maximum shares outstanding	7.00%
Stock options and RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options and RSUs outstanding (in shares)	3,602,468	3,602,468
Employees, Directors and Consultants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation costs \| $	$ 13,200,000	$ 13,200,000
Unrecognized compensation costs, recognition period (in years)		1 year 9 months 7 days
Employees \| Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation costs \| $	$ 2,900,000	$ 2,900,000
Unrecognized compensation costs, recognition period (in years)		3 years 5 months 15 days
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)		1 year
Minimum \| Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)		4 years
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)		4 years
Maximum \| Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)		5 years