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- Definition

Amount of cost to be recognized for option under share-based payment arrangement.

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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.

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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

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

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

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No definition available.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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No definition available.

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- Definition

Number of share options (or share units) exercised during the current period.

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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 2
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-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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Equity Compensation Plans - Options (Details) - USD ($)		12 Months Ended
Equity Compensation Plans - Options (Details) - USD ($)	Dec. 31, 2009	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	May 31, 2019
2019 Plan
Equity Compensation Plans
Number of shares authorized					600,000
2009 Plan
Equity Compensation Plans
Granted (in shares)	16,500		0
Exercised (in shares)		0	4,500
Shares
Exercised (in shares)		0	(4,500)
Employee and Nonemployee Stock Options [Member]
Equity Compensation Plans
Total unrecognized compensation cost			$ 0
Aggregate Intrinsic Value
Exercised (in dollars)			$ (27,000)	$ (27,000)
Restricted Stock and Restricted Stock Units [Member]
Equity Compensation Plans
Vesting period		3 years