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Stockholders' Equity - Summary of Restricted Common Stock Activity (Details) - Restricted Stock Award [Member]
12 Months Ended
Dec. 31, 2017
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]  
Number of common stock granted | shares 3,267,500
Number of Shares, Non-vested, Ending Balance | shares 3,267,500
Share-based Compensation Arrangement by Share Based Payment Award, Equity Instruments Other than Options, Nonvested, Fair Value [Abstract]  
Fair Value,Granted | $ $ 1,813,500
Fair Value, Non-vested, Ending Balance | $ $ 1,813,500
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]  
Weighted Average Grant Date Fair Value,Granted | $ / shares $ 0.56
Weighted Average Grant Date Fair Value, Non-vested, Ending Balance | $ / shares $ 0.56