Common Stock and Warrants (Details) - $ / shares	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Series A [Member]
Shares of Common Stock Issuable from Warrants Outstanding	240,000	720,000
Weighted Average Exercise Price	$ 0.35	$ 0.35
Expiration	Jul. 12, 2019
Series D [Member]
Shares of Common Stock Issuable from Warrants Outstanding	810,000	910,000
Weighted Average Exercise Price	$ 1.10	$ 1.10	$ 1.10
Expiration	Jun. 05, 2020
Series E [Member]
Shares of Common Stock Issuable from Warrants Outstanding	584,416	584,416
Weighted Average Exercise Price	$ 1.54	$ 1.54
Expiration	Sep. 08, 2021
Series F [Member]
Shares of Common Stock Issuable from Warrants Outstanding	7,246	14,492
Weighted Average Exercise Price	$ 3.45	$ 3.45
Series F [Member] | Minimum [Member]
Expiration	Feb. 23, 2022
Series F [Member] | Maximum [Member]
Expiration	Mar. 09, 2022
Series G [Member]
Shares of Common Stock Issuable from Warrants Outstanding	460,250	460,250
Weighted Average Exercise Price	$ 2.68	$ 2.68
Expiration	Jul. 21, 2022
Series H [Member]
Shares of Common Stock Issuable from Warrants Outstanding	910,000	920,000
Weighted Average Exercise Price	$ 2.75	$ 2.75
Expiration	Oct. 16, 2022
Series I [Member]
Shares of Common Stock Issuable from Warrants Outstanding	10,335,000
Weighted Average Exercise Price	$ 2.00
Expiration	Nov. 26, 2025
Warrants [Member]
Shares of Common Stock Issuable from Warrants Outstanding	13,346,912	3,609,158