CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' EQUITY/(DEFICIT) - USD ($)	Series 1 warrants Additional paid-in capital	Series 1 warrants	Series 2 warrants Additional paid-in capital	Series 2 warrants	Bridge Note Warrants Additional paid-in capital	Bridge Note Warrants	March 2019 LOC warrants Additional paid-in capital	March 2019 LOC warrants	Private Investment in Public Entities March 2018 Common Stock Common stock - voting	Private Investment in Public Entities March 2018 Additional paid-in capital	Private Investment in Public Entities March 2018 Series A convertible preferred stock	Private Investment in Public Entities March 2018	Private Investment in Public Entities July 2018 Common Stock Common stock - voting	Private Investment in Public Entities July 2018 Additional paid-in capital	Private Investment in Public Entities July 2018	CVP Notes Common Stock Common stock - voting	CVP Notes Additional paid-in capital	CVP Notes	CVP Exchange Notes Common Stock Common stock - voting	CVP Exchange Notes Additional paid-in capital	CVP Exchange Notes	September 2018 L2 convertible note payable Common Stock Common stock - voting	September 2018 L2 convertible note payable Additional paid-in capital	September 2018 L2 convertible note payable	Common Stock Series B convertible preferred stock	Common Stock Common stock - voting	Common Stock Common stock - non-voting	Additional paid-in capital Series B convertible preferred stock	Additional paid-in capital Common stock - voting	Additional paid-in capital Office lease extension agreement	Additional paid-in capital	Accumulated deficit	Series A convertible preferred stock	Series B convertible preferred stock	Common stock - voting	Office lease extension agreement	Total
Ending Balance at Sep. 30, 2018																																	$ 9,000,002
Balance (in shares) at Sep. 30, 2018																																	5,524,926
Balance at Dec. 31, 2017																										$ 6	$ 4,262				$ 79,661,456	$ (62,404,722)					$ 17,261,002
Balance (in shares) at Dec. 31, 2017																										59,721	42,617,893
Increase (decrease) in Stockholders' Equity (Deficit)
Issuance of preferred stock and common stock in a private placement									$ 3	$ 4,999,997	$ 9,000,002	$ 5,000,000
Issuance of preferred stock and common stock in a private placement (in shares)									28,011		5,524,926
Beneficial conversion feature of the series A and series B convertible preferred stock																															995,000		$ (995,000)				995,000
Deemed dividend on the series A and series B convertible preferred stock																															(995,000)		995,000				(995,000)
Issuance of common stock																										$ 2					2,055,872						2,055,874
Issuance of common stock (In shares)																										17,075
Issuance of common stock in exchange for services																															6,425						6,425
Issuance of common stock in exchange for services (in shares)																										47
Issuance of common stock in exchange for payment of interest expense																															704,725						704,725
Issuance of common stock in exchange for payment of interest expense (in shares)																										4,081
Issuance of common stock in conversion of debt																										$ 1					1,607,420						1,607,421
Issuance of common stock in conversion of debt (in shares)																										13,665
Issuance of common stock in exchange for payment of interest expense (Kingdon)																															479,808						479,808
Issuance of common stock in exchange for payment of interest expense (Kingdon) (in shares)																										4,582
Conversion of non-voting common stock to voting common stock																											$ (232)				232
Conversion of non-voting common stock to voting common stock (in shares)																										2,206	(2,316,656)
Issuance of common stock July 2018													$ 1	$ 624,896	$ 624,897
Issuance of common stock July 2018 (in shares)													6,725
Issuance of common stock in debt financing September 2018																							$ 48,000	$ 48,000
Issuance of common stock in debt financing September 2018 (in shares)																						1,071
Issuance of warrants in debt financing September 2018																							$ 118,149	$ 118,149						$ 493,688						$ 493,688
Fractional common stock shares repurchased																															(30)						(30)
Stock-based compensation																															1,416,791						1,416,791
Net loss																																(19,492,172)					(19,492,172)
Balance at Sep. 30, 2018																										$ 13	$ 4,030				92,217,429	(81,896,894)					10,324,578
Balance (in shares) at Sep. 30, 2018																										137,184	40,301,237
Beginning Balance at Jun. 30, 2018																																	$ 9,000,002
Balance (in shares) at Jun. 30, 2018																																	5,524,926
Ending Balance at Sep. 30, 2018																																	$ 9,000,002
Balance (in shares) at Sep. 30, 2018																																	5,524,926
Balance at Jun. 30, 2018																										$ 12	$ 4,030				89,772,794	(75,758,542)					14,018,294
Balance (in shares) at Jun. 30, 2018																										124,808	40,301,237
Increase (decrease) in Stockholders' Equity (Deficit)
Issuance of common stock (In shares)																										6,725
Issuance of common stock in exchange for payment of interest expense (Kingdon)																										$ 4,580					479,808						479,808
Issuance of common stock July 2018																										$ 1					624,896						624,897
Issuance of common stock in debt financing September 2018																															48,000						48,000
Issuance of common stock in debt financing September 2018 (in shares)																										1,071
Issuance of warrants in debt financing September 2018																														$ 493,688	118,149					$ 493,688	118,149
Stock-based compensation																															680,094						680,094
Net loss																																(6,138,352)					(6,138,352)
Balance at Sep. 30, 2018																										$ 13	$ 4,030				92,217,429	(81,896,894)					10,324,578
Balance (in shares) at Sep. 30, 2018																										137,184	40,301,237
Beginning Balance at Dec. 31, 2018																																	$ 9,000,002				$ 9,000,002
Balance (in shares) at Dec. 31, 2018																																	5,524,926	0			5,524,926
Ending Balance at Sep. 30, 2019																																	$ 9,000,002				$ 9,000,002
Balance (in shares) at Sep. 30, 2019																																	5,524,926	1,971			5,524,926
Balance at Dec. 31, 2018																										$ 35	$ 4,030				99,929,835	(94,550,779)					$ 5,383,121
Balance (in shares) at Dec. 31, 2018																										351,472	40,301,237
Increase (decrease) in Stockholders' Equity (Deficit)
Beneficial conversion feature of the series A and series B convertible preferred stock																												$ 3,875,778						$ (3,875,778)
Deemed dividend on the series A and series B convertible preferred stock																												(3,875,778)						3,875,778
Issuance of common stock																										$ 289					1,198,833						1,199,122
Issuance of common stock (In shares)																										2,886,500
Issuance of common stock to Oasis, put exercise																										$ 20					2,602,876						2,602,896
Issuance of common stock to Oasis, put exercise (in shares)																										195,319
Issuance of common stock, registered offering																										$ 1					266,265						266,266
Issuance of common stock, registered offering (in shares)																										19,019
Issuance of common stock in conversion of debt																$ 40	$ 8,224,883	$ 8,224,923	$ 112	$ 6,672,838	$ 6,672,950
Issuance of common stock in conversion of debt (in shares)																395,970			1,119,440
Issuance of common stock in exchange for payment of interest expense (Kingdon)																										$ 2					446,727						446,729
Issuance of common stock in exchange for payment of interest expense (Kingdon) (in shares)																										19,752
Issuance of Series B convertible preferred stock or common stock in Class A Units, net																																		$ 2,240,594
Issuance of Series B convertible preferred stock or common stock in Class A Units, net (in shares)																																		10,787
Issuance of warrants in Class A and B Units	$ 5,304,989	$ 5,304,989	$ 5,304,989	$ 5,304,989
Modification of Series 1 warrants	252,106	252,106
Deemed dividend attributable to Series 1 warrant modification	(252,106)	(252,106)
Warrant reclassification from liability to equity						$ 4,259,327	$ 71,079	$ 71,079																							4,259,327						4,259,327
Common stock issued upon conversion of Series B convertible preferred stock																									$ 441			1,830,752						$ (1,831,193)
Issuance of common stock upon conversion of Series B convertible preferred stock (in shares)																									4,408,000									(8,816)
Issuance of warrants in debt financing September 2018																																					493,688
Fractional common stock shares repurchased																										$ (14)
Stock-based compensation																															1,982,985						1,982,985
Net loss																																(32,580,053)					(32,580,053)
Balance at Sep. 30, 2019																										$ 940	$ 4,030				138,096,378	(127,130,832)		$ 409,401			11,379,917
Balance (in shares) at Sep. 30, 2019																										9,395,458	40,301,237							1,971
Beginning Balance at Jun. 30, 2019																																	$ 9,000,002
Balance (in shares) at Jun. 30, 2019																																	5,524,926
Ending Balance at Sep. 30, 2019																																	$ 9,000,002				$ 9,000,002
Balance (in shares) at Sep. 30, 2019																																	5,524,926	1,971			5,524,926
Balance at Jun. 30, 2019																										$ 180	$ 4,030				117,927,532	(119,575,767)					$ (1,644,025)
Balance (in shares) at Jun. 30, 2019																										1,799,381	40,301,237
Increase (decrease) in Stockholders' Equity (Deficit)
Beneficial conversion feature of the series A and series B convertible preferred stock																															3,875,778			$ (3,875,778)
Deemed dividend on the series A and series B convertible preferred stock																															(3,875,778)			3,875,778
Issuance of common stock in conversion of debt																			$ 30	$ 1,088,768	$ 1,088,798				$ 441			$ 1,830,752
Issuance of common stock in conversion of debt (in shares)																			301,577						4,408,000
Issuance of Series B convertible preferred stock or common stock in Class A Units, net																										$ 289			$ 1,198,833					$ 2,240,594	$ 1,199,122
Issuance of Series B convertible preferred stock or common stock in Class A Units, net (in shares)																										2,886,500								10,787
Issuance of warrants in Class A and B Units	5,304,989	5,304,989	$ 5,304,989	$ 5,304,989
Modification of Series 1 warrants	252,106	252,106
Deemed dividend attributable to Series 1 warrant modification	$ (252,106)	$ (252,106)
Warrant reclassification from liability to equity					$ 4,259,327	$ 4,259,327	$ 71,079	$ 71,079
Common stock issued upon conversion of Series B convertible preferred stock																																		$ (1,831,193)
Issuance of common stock upon conversion of Series B convertible preferred stock (in shares)																																		(8,816)
Stock-based compensation																															1,110,109						1,110,109
Net loss																																(7,555,065)					(7,555,065)
Balance at Sep. 30, 2019																										$ 940	$ 4,030				$ 138,096,378	$ (127,130,832)		$ 409,401			$ 11,379,917
Balance (in shares) at Sep. 30, 2019																										9,395,458	40,301,237							1,971