Income Taxes (Details Textual) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2011
Income Taxes (Textual) [Abstract]
Increased in additional paid-in capital	$ 1,175	$ 290	$ 99
Valuation allowances	5,815	5,467
Reduction in the deferred income tax assets related to share-based compensation	35	549	2,585
Reduction in deferred tax asset due to expiration of Stock options			718	1,867
Gross unrecognized tax benefit	1,438	1,276	1,108
Unrecognized tax benefits, if recognized	935
Accrued interest and penalties related to unrecognized tax benefits	544
Accrued interest and penalties recorded during the current year	110
State and Local Jurisdiction [Member]
Income Taxes (Textual) [Abstract]
Deferred tax assets, operating loss carryforwards	6,315	6,158
Domestic Tax Authority [Member]
Income Taxes (Textual) [Abstract]
Deferred tax assets, operating loss carryforwards	$ 3,400	$ 3,316