Consolidated Statements of Changes in Stockholders' Equity - USD ($)		Preferred Stock [Member] Series A Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2016			689,709
Balance at Dec. 31, 2016			$ 690	$ 69,373,231	$ (60,189,237)	$ 9,184,684
Cumulative effect of change in accounting principle (a) at Dec. 31, 2016	[1]			1,134	(1,134)
Sale of Series A convertible preferred stock and common stock warrants (in shares)		12,376,329
Sale of Series A convertible preferred stock and common stock warrants
Reclassification of the fair market value of the Series A warrants				13,153,524		$ 13,153,524
Common stock issued for advisory services (in shares)			1,174			1,174
Common stock issued for advisory services			$ 1	49,999		$ 50,000
Series A cumulative preferred dividend				(1,252,394)		(1,252,394)
Reclassification of accrued dividends upon conversion of Series A (in shares)			5,756
Conversion of accrued dividends related to convertible preferred stock			$ 6	190,074		190,080
Conversion of Series A convertible preferred stock to common stock (in shares)		(4,070,051)	271,337
Conversion of Series A convertible preferred stock to common stock			$ 271	(271)
Beneficial conversion feature for accrued interest of convertible debt				28,017		28,017
Stock-based compensation expense				1,240,551		1,240,551
Net loss					(1,364,518)	(1,364,518)
Balance (in shares) at Dec. 31, 2017		8,306,278	967,976
Balance at Dec. 31, 2017			$ 968	82,783,865	(61,554,889)	$ 21,229,944
Common stock issued for advisory services (in shares)			7,792			7,792
Common stock issued for advisory services			$ 8	49,992		$ 50,000
Series A cumulative preferred dividend				(85,993)		(85,993)
Conversion of accrued dividends related to convertible preferred stock
Conversion of Series A convertible preferred stock to common stock (in shares)		(8,306,278)	553,752
Conversion of Series A convertible preferred stock to common stock			$ 554	(554)
Stock-based compensation expense				1,221,591		1,221,591
Net loss					(18,369,810)	(18,369,810)
Balance (in shares) at Dec. 31, 2018			3,376,230
Issuance of common stock to Series A convertible preferred stockholders under make-whole adjustment feature (in shares)			777,895
Issuance of common stock to Series A convertible preferred stockholders under make-whole adjustment feature			$ 778	(778)
Issuance of common stock related to accrued dividends (in shares)			68,815
Issuance of common stock related to accrued dividends			$ 69	1,148,238		1,148,307
Issuance of common stock and warrants, net of issuance costs (in shares)			1,000,000
Issuance of common stock and warrants, net of issuance costs			$ 1,000	10,416,520		10,417,520
Balance at Dec. 31, 2018			$ 3,377	$ 95,532,881	$ (79,924,699)	$ 15,611,559

[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.