Condensed Consolidated Statement of Changes in Convertible Preferred Stock and Stockholders' Equity (Unaudited) - 6 months ended Jun. 30, 2017 - USD ($)		Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Preferred Stock [Member] Series A Preferred Stock [Member]	Series A Preferred Stock [Member]	Total
Balance (in shares) at Dec. 31, 2016		10,345,637
Balance at Dec. 31, 2016		$ 10,346	$ 69,363,575	$ (60,189,237)			$ 9,184,684
Sale of Series A convertible preferred stock and common stock warrants (in shares)		25,735			12,376,329
Series A cumulative preferred dividend			(546,305)			$ (546,305)	(546,305)
Conversion of accrued dividends related to convertible preferred stock		$ 26	70,864				70,890
Conversion of Series A convertible preferred stock to common stock (in shares)		1,926,991			(1,926,991)
Conversion of Series A convertible preferred stock to common stock		$ 1,927	(1,927)
Beneficial conversion feature for accrued interest of convertible debt			28,017				28,017
Stock-based compensation expense			681,449				681,449
Net loss				(8,251,037)			(8,251,037)
Balance (in shares) at Jun. 30, 2017		12,298,363			10,449,338
Balance at Jun. 30, 2017		$ 12,299	69,596,807	(68,441,408)			$ 1,167,698
Cumulative effect of change in accounting principle (a)	[1]		$ 1,134	$ (1,134)

[1] In 2017, the Company adopted provisions of ASU 2016-09, Improvements to Employee Share Based Payment Accounting, resulting in a cumulative effect adjustment to Accumulated Deficit and Additional Paid-in Capital for previously unrecognized stock-based compensation expense. See Note 3 for further discussion of the impacts of this standard.