Fair Value Measurements (Details) (USD $)	6 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Mar. 31, 2014
Reconciliation of liability measured at fair value
Balance at the beginning of the period	$ 327,000
Change in fair value included in net income	8,000
Balance at the end of the period	335,000
Fair value disclosure of liabilities
Current portions of contingent consideration included within accrued liabilities	335,000		327,000
Non-financial assets measured at fair value
Non-financial assets measured at fair value	$ 0	$ 0