Stockholders' Equity (Tables)

12 Months Ended

Mar. 31, 2011

Stockholders' Equity

Schedule of Employee Stock Options Available for Purchase

	Number of shares			Weighted-average exercise  price (Yen)
Balance at March 31, 2008		12,000			1,734
Forfeited		(12,000	)		1,734
Balance at March 31, 2009		—			—
Balance at March 31, 2010		—			—
Balance at March 31, 2011		—			—