Consolidated Balance Sheets (Parentheticals) (USD $)	Mar. 31, 2012	Mar. 31, 2011
Statement Of Financial Position [Abstract]
Preferred stock,Par Value (in dollares per share)
Preferred stock,shares authorized	5,000,000	5,000,000
Preferred stock,issued
Common stock,Par Value (in dollares per share)
Common stock,shares authorized	50,000,000	50,000,000
Common stock,shares issued	11,960,975	11,806,660
Common stock, shares outstanding	11,960,975	11,806,660

Issuance value per share of no-par value common stock; generally not indicative of the fair market value per share.

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