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Stock Options and Grants (Details Textual) - USD ($)
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Dec. 31, 2015
Stock Options and Grants (Textual)      
Stock-based compensation expense, recognized $ 46,898 $ 48,115  
Unrecognized compensation costs related to non-vested stock options $ 72,249    
Weighted average period for unrecognized compensation costs to be expensed 4 months 21 days    
Fair value of stock options $ 0   $ 0