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Equity Incentive Plan - Additional Information (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
6 Months Ended 4 Months Ended 6 Months Ended 1 Months Ended
Jun. 30, 2012
Jun. 30, 2011
May 12, 2011
Former Cfo (Member)
Jun. 30, 2012
Issuance Of Shares Under Equity Incentive Plan [Member]
Jan. 17, 2012
Issuance Of Shares Under Equity Incentive Plan [Member]
Feb. 07, 2011
Chief Executive Officer (Member)
Feb. 07, 2014
Chief Executive Officer (Member)
Feb. 07, 2013
Chief Executive Officer (Member)
Feb. 07, 2012
Chief Executive Officer (Member)
Related Party Transaction [Line Items]                  
Grant Date Fair Value     $ 2.3   $ 0.9        
Shares issued under share based compensation     248,000 1,360,000          
Stock-based compensation $ 1,402 $ 628              
Granted 1,360,000   80,000     420,000      
Vested in period       1,360,000     140,000 140,000 140,000