Accumulated Other Comprehensive Income (Loss) (Details) (USD $)	12 Months Ended
	Mar. 31, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance as of beginning of period	$ (846,000)
Other comprehensive income (loss), net of tax	(31,000)
Amounts reclassified from other comprehensive income (loss), net of tax	0
Balance as of end of period	(877,000)
Unrealized gain on Short-Term Investments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance as of beginning of period	287,000
Other comprehensive income (loss), net of tax	34,000
Amounts reclassified from other comprehensive income (loss), net of tax	0
Balance as of end of period	321,000
Foreign Currency Translation Gain (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance as of beginning of period	(1,133,000)
Other comprehensive income (loss), net of tax	(65,000)
Amounts reclassified from other comprehensive income (loss), net of tax	0
Balance as of end of period	$ (1,198,000)