As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
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-uri http：//asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

The weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, using a decimal to express in number of years.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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-Publisher FASB
-Name Accounting Standards Codification
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-Subparagraph (i)
-uri http：//asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-uri http：//asc.fasb.org/extlink&oid = 6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-uri http：//asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 3: http://www.xbrl.org/2003/role/presentationRef
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-subparagraph（a）
-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3255-108585

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 18
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Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

订单项表示表中包含的财务概念。这些概念用于披露与表中一个或多个轴定义的域成员相关的可报告信息。

截至资产负债表日期，目前可在期权计划下可行使的既得既得期权既有部分的既得既得既有部分股票的公允价值之间的总美元差额。

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-Publisher FASB
-Name Accounting Standards Codification
- 主题718
-SubTopic 10
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-Paragraph 2
-uri http：//asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

截至资产负债表日期，目前可以根据期权计划转换为全额或部分既得既得股票期权的股票数量。

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-A240段
-subparagraph b（1）（c），d（2）
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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-Paragraph 2
-Subparagraph (c)(1)(iii)
-uri http：//asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

截至资产负债表的加权平均价格，收入人士可以在该日期中获取未偿还期权的既得发行股份，目前可根据股票期权计划进行行使。

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-A240段
-subparagraph b（1）（c）
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
- 主题718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iii)
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The total accumulated difference between fair values of underlying shares on dates of exercise and exercise price on options which were exercised (or share units converted) into shares during the reporting period under the plan.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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-Subparagraph c(2)
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-SubTopic 10
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-Paragraph 2
-Subparagraph (d)(2)
-uri http：//asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

加权平均价格在报告期内根据计划将其股票期权转换为股票时获得的期权持有人以哪种期权持有人获得股票。

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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-Subparagraph b(1)(e)
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Paragraph 2
-Subparagraph (c)(1)(iv)(2)
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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Paragraph 2
-subparagraph（c）（1）（iv）（3） - （4）
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The combined weighted average exercise price associated with stock options during the period that have either lapsed or been forfeited.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-subparagraph（c）（1）（iv）（3） - （4）
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Net number of share options (or share units) granted during the period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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The weighted average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on stock options awarded under the plan during the reporting period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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-Name Accounting Standards Codification
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-Subparagraph (c)(1)(iv)(1)
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The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

The weighted average price as of the beginning of the year at which grantees can acquire the shares reserved for issuance under the stock option plan.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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The weighted average period between the balance sheet date and expiration for all awards outstanding under the plan, which may be expressed in a decimal value for number of years.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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在当前期间行使的共享选项数量（或共享单位）。

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-uri http：//asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

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Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
- 第04节
-Article 3

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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
- 第02节
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-Article 5

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Reductions in the entity's income taxes that arise when compensation cost (from non-qualified stock options) recognized on the entity's tax return exceeds compensation cost from non-qualified stock options recognized on the income statement. This element increases net cash provided by operating activities.

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-Name Statement of Financial Accounting Standard (FAS)
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-SubTopic 20
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