Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Details Textual)

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Commitments and Contingencies (Details Textual) (USD $)
In Millions, unless otherwise specified
9 Months Ended 1 Months Ended 1 Months Ended
Sep. 30, 2012
Dec. 31, 2011
May 31, 2012
Yardi Law Suit [Member]
Sep. 30, 2012
Yardi Law Suit [Member]
Aug. 31, 2012
Reimbursement Payment [Member]
Commitments and Contingencies (Textual) [Abstract]          
Liabilities for agreements $ 0 $ 0      
Settlement of all outstanding legal disputes 8.5        
License from Yardi, intangible asset 3.0        
License to Yardi, other revenue, deferred 1.0        
Receipt of claim from primary insurance carrier     5.0   5.0
Policy coverage in excess of total coverage by different insurance carrier       5.0  
Assertion by primary insurance carrier no longer liable of already paid amount       $ 5.0  
Lawsuit filing date On August 14, 2012        
Settlement agreement date On July 1, 2012        
Settlement agreement terms The Settlement Agreement also includes a license of certain Yardi intellectual property to the Company and a license of certain of our intellectual property to Yardi        
Intangible assets amortization description Amortized as a cost of revenue over its estimated useful life, beginning in July 2012