Consolidated Balance Sheets (Parenthetical) (USD $)	Sep. 30, 2011	Mar. 31, 2011
Stockholders' Equity
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	120,000,000	60,000,000
Common stock, shares outstanding	11,465,181	11,630,921
Common stock, shares issued	26,174,546	26,122,084
Treasury stock, shares	14,709,365	14,491,163

Face amount or stated value of common stock per share; generally not indicative of the fair market value per share.

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