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CONSOLIDATED STATEMENTS OF STOCKHOLDERS EQUITY (Parenthetical) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2010	Mar. 31, 2009
CONSOLIDATED STATEMENTS OF STOCKHOLDERS EQUITY [Abstract]
Foreign currency translation adjustment, tax	$ 1	$ 2	$ 2
Retained earning				$ 385

Tax effect of the adjustment that results from the process of translating subsidiary financial statements and foreign equity investments into functional currency of the reporting entity. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.

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