Share-based Compensation Arrangement by Share-based Payment Award, Number of Purchase Periods

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Offering Period

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Employee's Compensation Maximum

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Purchase Period, Term

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- Definition

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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
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- Definition

Aggregate number of common shares reserved for future issuance.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section S99
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- Definition

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

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-Publisher FASB
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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.

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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 additional shares authorized for issuance under share-based payment arrangement.

+ References

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- Definition

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

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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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- Definition

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

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- Definition

Maximum number of shares that may be issued in accordance with the plan as a proportion of outstanding capital stock.

+ References

No definition available.

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- Definition

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

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- Definition

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

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Stock-Based Compensation - Additional Information (Details) $ / shares in Units, $ in Thousands		1 Months Ended		12 Months Ended
	Jan. 01, 2021 shares	Mar. 31, 2020 purchasePeriod	Oct. 31, 2018 shares	Dec. 31, 2020 USD ($) $ / shares shares	Dec. 31, 2019 USD ($) $ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average fair value of options granted (in usd per share) \| $ / shares				$ 3.20	$ 2.62
Intrinsic value of share option awards exercised \| $				$ 100	$ 1,000
Stock-based compensation \| $				$ 2,237	$ 1,421
Employee stock purchase plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)			196,000	490,000
Additional common stock reserved for future issuance (in shares)				666,584
Percentage of outstanding stock maximum			1.00%
Unrecognized compensation expense \| $				$ 600
Weighted-average period expected to be recognized				1 year 2 months 12 days
Percentage of employee's maximum compensation		15.00%
Offering period		24 months
Number of purchase periods \| purchasePeriod		4
Purchase period term		6 months
Purchase price of common stock, percent		85.00%
Stock-based compensation \| $				$ 100
Common stock purchased (in shares)				62,063
Employee stock purchase plan \| Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Additional shares available for grant to ESPP (in shares)	294,419
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense \| $				$ 4,600
Weighted-average period expected to be recognized				2 years 4 months 24 days
2018 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)			3,231,626
Additional common stock reserved for future issuance (in shares)				1,012,857
Percentage of outstanding stock maximum			3.00%
2018 Plan \| Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options or stock awards available for grant under the plan (in shares)	883,257