Organization and Business - Liquidity and Going Concern (Details) - USD ($)		1 Months Ended	3 Months Ended
	Jan. 07, 2019	Mar. 31, 2019	Mar. 31, 2019	Dec. 31, 2018
Accumulated deficit		$ (102,854,650)	$ (102,854,650)	$ (94,550,779)
Securities purchase agreement
Price per share	$ 0.75
Securities purchase agreement | March 2019 Promissory notes
Aggregate principal amount		5,500,000	5,500,000
Principal amount of Notes issued		800,000	$ 800,000
Securities purchase agreement | CVP
Number of shares issued			18,764,637
Amount of shares issued			$ 6,100,000
Principal amount of debt			4,400,000
Accrued interest		$ 1,700,000	$ 1,700,000
Securities purchase agreement | Registered Direct Offering
Price per share		$ 0.20	$ 0.20
Gross proceeds from issuance		$ 266,266
Number of shares issued		1,331,332
Securities purchase agreement | Original Equity Line Offering [Member]
Number of shares authorized to issue	5,333,333	5,333,333	5,333,333
Number of shares offered	5,333,333
Number of additional shares authorized	8,000,000
Number of shares issued	8,000,000