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Share based compensation shares authorized under stock option plans stock appreciation and stock units exercise price range exercisable options weighted average exercise price.

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Sharebased compensation shares authorized under stock option plans and stock appreciation rights exercise price range outstanding shares weighted average exercise price.

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Sharebased compensation shares authorized under stock option plans and stock appreciation rights exercise price range outstanding shares weighted average remaining contractual term.

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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