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Long Term Restricted Stock Units (Details) - Plan
1 Months Ended 12 Months Ended
Dec. 31, 2009
item
Dec. 31, 2014
USD ($)
Dec. 31, 2012
USD ($)
CPP Compliant Long Term RSU Granted for Performance in 2012      
Long-Term Restricted Stock Units      
Compensation cost     $ 425,000
CPP Compliant Long Term RSU Granted for Performance in 2011      
Long-Term Restricted Stock Units      
Cash amounts paid on vesting of awards   $ 572,746  
RSUs      
Long-Term Restricted Stock Units      
Minimum number of non-employee members of the Board needed to authorize restricted stock units | item 2