The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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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.

+ References

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- Definition

Number of options outstanding, including both vested and non-vested options.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(i)-(ii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Stock Option Plans (Summary Of Stock Option Plans) (Detail)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Stock Option Plan [Line Items]
Outstanding as of December 31, 2014	720,551	214,518	192,729
Available for future issuance under plan	457,500
Totals authorized by plan	1,178,051
2007 Plan
Stock Option Plan [Line Items]
Outstanding as of December 31, 2014	57,209
Available for future issuance under plan	0
Totals authorized by plan	57,209
2009 Plan
Stock Option Plan [Line Items]
Outstanding as of December 31, 2014	120,842
Available for future issuance under plan	0
Totals authorized by plan	120,842
2014 Plan
Stock Option Plan [Line Items]
Outstanding as of December 31, 2014	542,500
Available for future issuance under plan	457,500
Totals authorized by plan	1,000,000