Organization, Business, and Liquidity (Details Textual) - USD ($)	1 Months Ended		3 Months Ended
	Apr. 17, 2018	Feb. 21, 2017	Mar. 31, 2018	Mar. 31, 2017	Jan. 02, 2018	Dec. 31, 2017	May 06, 2016
Subsidiary, Sale of Stock [Line Items]
Common Stock, Shares, Outstanding			17,257,255			17,257,255
Common Stock, Par or Stated Value Per Share			$ 0.01			$ 0.01
Cash and Cash Equivalents, at Carrying Value			$ 3,648,308			$ 7,806,029
Retained Earnings (Accumulated Deficit)			(84,718,102)		$ (82,338,775)	$ (91,816,655)
Proceeds from Issuance of Common Stock		$ 1,800,000	$ 0	$ 1,922,252
Capital Units, Authorized							100,000,000
Preferred Stock, Par or Stated Value Per Share			$ 0.01			$ 0.01
Series A Preferred Stock [Member]
Subsidiary, Sale of Stock [Line Items]
Preferred Stock, Par or Stated Value Per Share			$ 0.01			$ 0.01
Preferred Stock, Shares Outstanding			0			0
Series B Preferred Stock [Member]
Subsidiary, Sale of Stock [Line Items]
Preferred Stock, Par or Stated Value Per Share			$ 0.01			$ 1,330,000
Preferred Stock, Shares Outstanding			600			600
Series C Preferred Stock [Member]
Subsidiary, Sale of Stock [Line Items]
Preferred Stock, Par or Stated Value Per Share			$ 0.01
Subsequent Event [Member]
Subsidiary, Sale of Stock [Line Items]
Proceeds from Issuance of Common Stock	$ 10,100,000