Fair Value Measurements (Narrative) (Details) (USD $)	1 Months Ended
	Jun. 30, 2010
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Exercise price of warrants	$ 2.45
Warrant [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Common stock warrants issued in conjunction with the acquisition of eDiscovery	718,860