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Fair Value of Financial Assets and Liabilities (Details Textual)
 1 Months Ended 3 Months Ended 6 Months Ended
May 31, 2012
Jun. 30, 2012
USD ($)
Jun. 30, 2012
USD ($)
May 24, 2012
USD ($)
Rate
Jan. 31, 2012
USD ($)
Jan. 31, 2012
AUD
Fair Value of Financial Assets and Liabilities (Additional Textual) [Abstract]            
Interest rate       1.125%    
Fair Value of Financial Assets and Liabilities (Textual) [Abstract]            
Fair value liabilities Level 2     $ 0      
Additional earn-out consideration payment         1,200,000 1,100,000
Weighted average inputs discount rate   11.50%        
Accrued liability additional earn-out consideration payment         1,200,000  
Accrued liability additional earn-out consideration accrued   900,000 900,000      
Accrued liability additional earn-out consideration decreased   300,000 300,000      
Increase in credit facility       $ 90,000,000    
carrying interest rate LIBOR plus 1.125%