Condensed Consolidated Statement of Changes in Convertible Preferred Stock and Stockholders' Equity (Deficit) (unaudited) - USD ($)		Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit
Increase (Decrease) in Stockholders' Equity (Deficit)
Cumulative effect of change in accounting principle	[1]	$ 0		$ 1,134	$ (1,134)
Beginning balance (in shares) at Dec. 31, 2016		0
Beginning balance at Dec. 31, 2016		$ 0
Increase (Decrease) in Temporary Equity [Roll Forward]
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		$ 0
Ending balance (in shares) at Mar. 31, 2017		12,376,329
Ending balance at Mar. 31, 2017		$ 0
Beginning balance (in shares) at Dec. 31, 2016			10,345,637
Beginning balance, total stockholders' equity at Dec. 31, 2016		9,184,684	$ 10,346	69,363,575	(60,189,237)
Increase (Decrease) in Stockholders' Equity (Deficit)
Sale of Series A convertible preferred stock and common stock warrants		0		0
Series A cumulative preferred dividend		(58,845)		(58,845)
Beneficial conversion feature for accrued interest of convertible debt		28,017		28,017
Stock-based compensation expense		366,383		366,383
Net loss		(28,638,778)			(28,638,778)
Ending balance (in shares) at Mar. 31, 2017			10,345,637
Ending balance, total stockholders' equity at Mar. 31, 2017		$ (19,118,539)	$ 10,346	$ 69,700,264	$ (88,829,149)

[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.