Quarterly report pursuant to Section 13 or 15(d)

Stock Options (Details)

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Stock Options (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Stock Options        
Stock options granted under 2010 Stock Incentive Plan (in shares)     295,500  
Stock-based compensation $ 328,376 $ 216,602 $ 696,625 $ 474,144
Total future stock compensation expense related to nonvested awards $ 1,996,000   $ 1,996,000