Statement of Stockholders' Equity (Deficit) - USD ($)	Preferred Stock [Member] Series A Preferred Stock [Member]	Preferred Stock [Member] Series A1 Preferred Stock [Member]	Preferred Stock [Member] Series B Preferred Stock [Member]	Preferred Stock [Member] Series C Preferred Stock [Member]	Preferred Stock [Member] Series C-1 Preferred Stock [Member]	Preferred Stock [Member] Series D Preferred Stock [Member]	Common Stock [Member] Nonvoting Common Stock, Class B [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2017	1,974,430	1,834,862	4,496,908	17,102,578	17,556,178		19,645	549,952
Balance at Dec. 31, 2017	$ 1,974	$ 1,835	$ 4,497	$ 17,103	$ 17,556		$ 20	$ 550	$ 79,677,540	$ (113,413,311)	$ (33,692,236)
Adjustment to remove partial shares resulting from reverse split (in shares)								(63)
Adjustment to remove partial shares resulting from reverse split
Cumulative adjustment - adoption of new accounting standard | Accounting Standards Update 2014-09 [Member]										(504,727)	$ (504,727)
Exercise of common stock options (in shares)								119,793			119,793
Exercise of common stock options								$ 120	334,591		$ 334,711
Exercise of common stock warrants (in shares)								48,836
Exercise of common stock warrants								$ 49	773		822
Stock-based compensation									2,195,075		2,195,075
Issuance of Series D preferred stock, net (in shares)						91,147,482
Issuance of Series D preferred stock, net						$ 91,147			53,893,361		53,984,508
Stock Issued (in shares)								4,833,099
Stock Issued								$ 4,833	53,159,256		53,164,089
Automatic conversion of preferred stock and Class B common stock (in shares)	(1,974,430)	(1,834,862)	(4,496,908)	(17,102,578)	(17,556,178)	(91,147,482)	(19,645)	9,967,852
Automatic conversion of preferred stock and Class B common stock	$ (1,974)	$ (1,835)	$ (4,497)	$ (17,103)	$ (17,556)	$ (91,147)	$ (20)	$ 9,968	124,164
Reclassification of warrant liabilities									2,185,144		2,185,144
IPO financing costs									(5,843,856)		(5,843,856)
Net loss										(53,135,859)	(53,135,859)
Balance (in shares) at Dec. 31, 2018								15,519,469
Balance at Dec. 31, 2018								$ 15,520	185,726,048	(167,053,897)	18,687,671
Cumulative adjustment - adoption of new accounting standard | Accounting Standards Update 2016-02 [Member]										(602,098)	$ (602,098)
Exercise of common stock options (in shares)								32,325			32,325
Exercise of common stock options								$ 32	141,295		$ 141,327
Exercise of common stock warrants (in shares)								64,629
Exercise of common stock warrants								$ 64	649		713
Stock-based compensation									3,376,305		3,376,305
Stock Issued (in shares)								12,573,890
Stock Issued								$ 12,574	60,914,510		60,927,084
Net loss										(47,583,455)	(47,583,455)
Issuance of common stock under stock incentive plan (in shares)								40,954
Issuance of common stock under stock incentive plan								$ 41	(41)
Balance (in shares) at Dec. 31, 2019								28,231,267
Balance at Dec. 31, 2019								$ 28,231	$ 250,158,766	$ (215,239,450)	$ 34,947,547