Consolidated Balance Sheets (Parenthetical) (USD $)	Sep. 30, 2013	Mar. 31, 2013
Class B Preferred Stock, par value	$ 0.01	$ 0.01
Class B Preferred Stock, Authorized	1,000,000	1,000,000
Class B Preferred Stock, Issued
Class B Preferred Stock, outstanding
Common stock, par value	$ 0.01	$ 0.01
Common stock, Authorized	100,000,000	100,000,000
Common stock, Issued	40,659,164	39,788,383
Common stock, Outstanding	39,452,797	38,601,384
Treasury stock, shares	1,206,367	1,186,999