Subsequent Events (Narratives) (Details) (Settlement Agreements [Member], USD $)	1 Months Ended
	May 31, 2012 Directors
Subsequent Event [Line Items]
Number of board directors (in directors)	7
CTI [Member]
Subsequent Event [Line Items]
Reimbursements of documented expenses	300,000
Minimum required shares owned by outside party in settlement agreement	1,000,000
Verint [Member]
Subsequent Event [Line Items]
Minimum required shares owned by outside party in settlement agreement	1,000,000
Chief Executive Officer [Member]
Subsequent Event [Line Items]
Number of board directors (in directors)	1
Directors Designated by CTI Board [Member]
Subsequent Event [Line Items]
Number of board directors (in directors)	3
Directors Designated by Cadian Capital [Member]
Subsequent Event [Line Items]
Number of board directors (in directors)	3