Consolidated Balance Sheets (Parenthetical) (USD $)			12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013 Series A preferred stock	Mar. 31, 2012 Series A preferred stock	Mar. 31, 2013 Class A common stock	Mar. 31, 2012 Class A common stock	Mar. 31, 2013 Class B common stock	Mar. 31, 2012 Class B common stock
Preferred stock, par value			$ 0.001	$ 0.001
Preferred stock, shares authorized	15,000,000	15,000,000	20	20
Preferred stock, dividend rate (percentage)			10.00%	10.00%
Preferred stock, shares issued			7	7
Preferred stock, shares outstanding			7	7
Preferred stock, liquidation preference			$ 3,590	$ 3,590
Common stock, par value					$ 0.001	$ 0.001	$ 0.001	$ 0.001
Common stock, shares authorized					118,759,000	75,000,000	1,241,000	1,241,000
Common stock, shares issued					48,448,137	37,722,927	1,241,000	1,241,000
Common stock, shares outstanding					48,396,697	37,671,487	0	25,000
Treasury stock, Class A shares					51,440	51,440