Share Based Awards (Details Textual) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended				12 Months Ended													12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2014 Stock Options [Member]	Mar. 31, 2014 Restricted Stock Units Award [Member]	Mar. 31, 2013 Restricted Stock Units Award [Member]	Mar. 31, 2012 Restricted Stock Units Award [Member]	Mar. 31, 2014 Employee Option [Member]	Mar. 31, 2013 Employee Option [Member]	Mar. 31, 2012 Employee Option [Member]	Mar. 31, 2014 Director Options [Member]	Mar. 31, 2013 Director Options [Member]	Mar. 31, 2013 Nineteen Ninety Eight Plan [Member]	Sep. 30, 1998 Nineteen Ninety Eight Plan [Member]	Mar. 31, 2013 Two Thousand Five Stock Options Plan [Member]	Oct. 31, 2005 Two Thousand Five Stock Options Plan [Member]	Mar. 31, 2014 Two Thousand Five Stock Options Plan [Member] Option Grant Dates Fiscal Year Two Thousand Fourteen [Member]	Mar. 31, 2014 Two Thousand Five Stock Options Plan [Member] Option Grant Date Fiscal Year Two Thousand Thirteen [Member]	Mar. 31, 2014 Two Thousand Five Stock Options Plan [Member] Option Grant Date Fiscal Year Two Thousand Ten [Member]	Mar. 31, 2012 Performance Based Awards [Member]	May 25, 2011 Performance Based Awards [Member]	May 25, 2011 Performance Based Awards [Member] Executive Officer [Member]	May 25, 2011 Performance Based Awards [Member] Non Executive Employees [Member]
Share Based Awards (Textual) [Abstract]
Common stock reserved															8,000,000		4,800,000
Exercise of option grants	5 years
Outstanding options under 1998 and 2005 plan	1,370,101	1,159,183	988,337	1,397,556										20,000		1,350,101
Shares available for future grants																2,632,977						600,000
Weighted-average grant date fair value of stock options	$ 5.20	$ 8.22	$ 13.32
Annualized forfeiture rate									8.60%	8.00%	4.10%	0.00%	0.00%
Options granted under 2005 plan	469,000	556,500	459,400															469,000	556,500	459,400
Maximum number of options available under the equity incentive program																							210,000	390,000
Total unrecognized compensation costs					$ 5,423	$ 873
Stock option recognized over weighted average period					3 years 4 months 24 days	1 year 3 months 18 days
Fair value of options vested	1,255	1,696	2,256
Compensation expense	$ 2,490	$ 2,327	$ 3,321			$ 629	$ 566	$ 540													$ 616