Number of Active Equity Award Plan

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- Definition

Number of Inactive Equity Award Plan

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No definition available.

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Total Fair Value

+ References

No definition available.

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- Definition

Share Based Compensation Arrangement by Share Based Payment Award, Options, Outstanding and Exercisable, Number

+ References

No definition available.

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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)(1)

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

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(iv)(3)

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

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(iii)(2)

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

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: 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

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- Definition

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).

+ References

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-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 number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(iii)

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- Definition

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

+ References

No definition available.

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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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-Publisher FASB

-Name Accounting Standards Codification

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-Paragraph 2

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- Definition

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

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- Definition

Number of share instruments newly issued under a share-based compensation plan.

+ References

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- Definition

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

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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Equity and Compensation Plans - Additional Information (Detail) (USD $)	1 Months Ended							3 Months Ended
	May 31, 2013	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013 Restricted Stock	May 31, 2012 Restricted Stock	Mar. 31, 2012 Restricted Stock	May 31, 2013 2012 Plan CompensationPlan	May 31, 2013 2012 Plan Minimum	May 31, 2013 2012 Plan Maximum	May 31, 2013 2012 Plan Stock Options	May 31, 2013 2012 Plan Restricted Stock Minimum	May 31, 2013 2012 Plan Restricted Stock Maximum	May 31, 2013 2001 Directors Plan CompensationPlan	Sep. 30, 2012 Non-employee directors Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of active equity award plan							1
Shares authorized under compensation plans							2,130,789
Share based payment award, award vesting period				1 year	3 years	1 year				3 years	3 years	5 years
Non-qualified stock options, expiration period from date of grant								5 years	10 years
Number of inactive equity award plans													1
Stock options outstanding and exercisable													3,537
Share based payment award, stock option granted		100,000	200,000
Share based payment award, value of each option granted		$ 4.70	$ 4.24
Options exercised	67,680
Share based payment award, stock options outstanding	720,458
Share based payment award, stock options exercisable	220,468
Share based payment award, restricted stock issued				2,100	10,000	5,900
Vested shares						5,754
Forfeited shares						146
Share based payment award, stock option granted														$ 8,500