Condensed Consolidated Balance Sheets (Parenthetical) (USD $)	Sep. 30, 2011	Mar. 31, 2011
Class A Common Stock, par value	$ 0.001	$ 0.001
Class A Common Stock, authorized	100,000,000	100,000,000
Class A Common Stock, shares issued	30,971,560	30,679,046
Class A Common Stock, shares outstanding	30,971,560	30,679,046