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Acquisitions (Details) - USD ($)
$ in Millions
Jan. 27, 2015
Apr. 02, 2014
Jan. 02, 2014
IAL [Member]      
Business Acquisition [Line Items]      
Percent of assets acquired 100.00%    
Consideration transferred, cash payments $ 1.3    
Consideration transferred, common stock issued, shares 60,024    
SiteLark [Member]      
Business Acquisition [Line Items]      
Percent of membership interests acquired   100.00%  
Consideration transferred, cash payments   $ 0.4  
Consideration transferred, common stock issued, shares   5,327  
EOGA [Member]      
Business Acquisition [Line Items]      
Percent of membership interests acquired     100.00%
Consideration transferred, cash payments     $ 5.3
Consideration transferred, common stock issued, shares     94,354