Earnings (Loss) Per Share - Components of Denominator for Basic Earnings (Loss) Per Common Share and Diluted Earnings (Loss) Per Common Share (Detail)	3 Months Ended
Jun. 30, 2014	Jun. 30, 2013
Basic earnings (loss) per Common Share:
Weighted-average common shares outstanding for basic earnings (loss) per share calculation	9,715,000	9,568,000
Diluted earnings (loss) per Common Share:
Weighted-average basic shares outstanding	9,715,000	9,568,000
Stock options		99,000
Weighted-average common shares outstanding for diluted earnings (loss) per share calculation	9,715,000	9,667,000

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- Definition

Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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-Section 45

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- Definition

The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

+ References

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 50

-Paragraph 1

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-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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