Note 6 - Stock-Based Compensation (Details) - The following table summarizes the Company’s warrants: In Thousands, unless otherwise specified	12 Months Ended
Mar. 31, 2012
The following table summarizes the Company’s warrants: [Abstract]
Number of shares	17
Weighted average exercise price per share (in Dollars per Item)	5.80
Exercised	(17)
Exercised	5.80

Class Of Warrant Or Right Exercise Price Of Warrants Or Rights Exercised

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Class Of Warrant Or Right Number Of Securities Exercised

+ References

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Exercise price per share or per unit of warrants or rights outstanding.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(i)(4))

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Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(i)(2))

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