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Stock-Based Compensation (Tables) | 3 Months Ended
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Jun. 30, 2012
Stock-Based Compensation [Abstract] |
Stock Options Activity |
|  | Number of Shares |
Outstanding at March 31, 2012 |  |  | 407,500 |
Granted |  |  | 34,200 |
Exercised |  |  | (75,500 | )
Outstanding at June 30, 2012 |  |  | 366,200 |
Exercisable at June 30, 2012 |  |  | 167,800 |
Restricted Stock Activity |
|  | Number of Shares |
Nonvested at March 31, 2012 |  |  | 158 |
Vested |  |  | (158 | )
Nonvested at June 30, 2012 |  |  | — |

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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + 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) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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