Fair Value Measurements (Details 1) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Dec. 31, 2012
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases, Sales, Issuances, Settlements, Paid in Cash	$ 2,353
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases, Sales, Issuances, Settlements, Paid in Common Stock	3,001
Company's assets measured at fair value using significant unobservable inputs (Level 3)
Balance at April 1, 2012	6,556
Acquisition (Note 3)	2,862
Earnout payments	(5,354)	[1]
Fair value adjustments	998
Balance at June 30, 2012	$ 5,062

[1] Earnout payments comprised of $2,353 in cash and $3,001 in common stock