| Notes Payable (Tables) | 3 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||
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| Mar. 31, 2017 | |||||||||||||||||||||||||||||||||||||||||||||||||
| Debt Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of fair value of warrants | Assumptions used in calculating the fair value of the investor warrants using the Black-Scholes valuation model were: 
 
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| Schedule of notes payable maturities | Scheduled principal payments as of March 31, 2017 with respect to notes payable are summarized as follows: 
 
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