Stock Based Compensation and Restricted Stock Compensation (Tables)  | 
3 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||
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Mar. 31, 2017  | ||||||||||||||||||||||||||||||||||||||||||||||
| Stock Options [Member] | ||||||||||||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||
| Summarization of stock-based compensation | 
 The following table summarizes stock-based compensation for the three months ended March 31, 2017 and 2016: 
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| Restricted Stock [Member] | ||||||||||||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||
| Summarization of stock-based compensation | 
 The following table summarizes restricted common stock compensation expense for the three months ended March 31, 2017 and 2016: 
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