Debt and Warrants - Convertible Notes (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Convertible notes
Convertible notes payable, Gross	$ 11,930,861		$ 11,930,861		$ 13,916,478
Less: unamortized debt discount and debt issuance costs	(213,843)		(213,843)		(261,826)
Net convertible notes payable obligation	11,717,018		11,717,018		13,654,652
Convertible notes payable – non-current	10,661,026		10,661,026		10,982,437
Convertible notes payable – current	1,055,992		1,055,992		2,672,215
Total interest expense on convertible debt	232,617	$ 347,597	750,878	$ 358,341
February 2015 Convertible Note
Convertible notes
Convertible notes payable, Gross					150,000
Nominal interest		4,537	1,479	13,463
Convertible promissory note issued June 29,2017
Convertible notes
Convertible notes payable, Gross	703,585		703,585		1,613,089
Nominal interest	14,063	43,900	47,391	44,372
Accretion of debt discount	49,564	123,362	281,825	124,708
September 2018 L2 convertible note payable
Convertible notes
Convertible notes payable, Gross	455,000		455,000
September 2018 Conte convertible note payable
Convertible notes
Convertible notes payable, Gross	111,250		111,250
Napo convertible notes
Convertible notes
Convertible notes payable, Gross	10,661,026		10,661,026		$ 12,153,389
Nominal interest	148,077	$ 175,798	399,270	$ 175,798
August 2018 L2 convertible note
Convertible notes
Nominal interest	17,839		17,839
August 2018 Conte convertible note nominal interest
Convertible notes
Nominal interest	$ 3,074		$ 3,074