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Fair Value of Financial Assets and Liabilities (Details Textual)
 12 Months Ended
Dec. 31, 2012
USD ($)
Jan. 31, 2012
USD ($)
Jan. 31, 2012
AUD
Fair Value of Financial Assets and Liabilities (Textual) [Abstract]      
Fair value liabilities Level 2 $ 0    
Outstanding of derivative 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 800,000    
Accrued liability additional earn out consideration decreased 400,000    
Business Acquisition, Contingent Consideration, at Fair Value, Current $ 400,000