Certain Financial Statement Information (Details Textual) (USD $) Share data in Millions, unless otherwise specified	3 Months Ended		9 Months Ended			3 Months Ended		9 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Mar. 31, 2013	Dec. 31, 2013 Options and Restricted Stock Units [Member]	Dec. 31, 2012 Options and Restricted Stock Units [Member]	Dec. 31, 2013 Options and Restricted Stock Units [Member]	Dec. 31, 2012 Options and Restricted Stock Units [Member]	Jan. 22, 2014 Subsequent Event [Member]
Certain Financial Statement Information [Line Items]
Property held-for-sale, sale price										$ 40,800,000
Gross Unrealized Gains	$ 3,503,000		$ 3,503,000		$ 8,082,000
Anti-dilutive securities that have been excluded from the net (loss) income, per share computation	5.6	6.8	6.1	9.4		3.8	5.4	4.7	8.7
Effect of dilutive securities that have been excluded from the net loss per share computation						1.8	1.4	1.4	0.7