CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Consolidated Statements Of Comprehensive Income
Net loss	$ (1,446)	$ (441)
Net unrealized gain (loss) on available-for-sale investments, net of tax	5	(85)
Total comprehensive loss	$ (1,441)	$ (526)