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Earnings Per Share (Details)	3 Months Ended		9 Months Ended
	Nov. 30, 2014	Nov. 30, 2013	Nov. 30, 2014	Nov. 30, 2013
Earnings Per Share Tables
Denominator for basic earnings per share	14,718,162us-gaap_WeightedAverageNumberOfSharesOutstandingBasic	14,508,507us-gaap_WeightedAverageNumberOfSharesOutstandingBasic	14,713,893us-gaap_WeightedAverageNumberOfSharesOutstandingBasic	14,504,836us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Dilutive effect of stock options	239,908us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants	266,915us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants	228,244us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants	206,003us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants
Denominator for diluted earnings per share	14,958,070us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding	14,775,422us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding	14,942,137us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding	14,710,838us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding

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- Definition

Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of call options and warrants using the treasury stock method.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Warrant

-URI http://asc.fasb.org/extlink&oid=6528364



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

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-Section 50

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Treasury Stock Method

-URI http://asc.fasb.org/extlink&oid=6527216



Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Call Option

-URI http://asc.fasb.org/extlink&oid=6506649

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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

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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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

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