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Stockholders' Equity - Inducement Plan (Details)	1 Months Ended		3 Months Ended			9 Months Ended
	Aug. 31, 2021 shares	Jan. 31, 2020 installment shares	Mar. 31, 2021 shares	Jun. 30, 2020 shares	Mar. 31, 2020 shares	Sep. 30, 2021 USD ($) shares	Sep. 30, 2020 shares
Inducement Plan
Share-based Compensation Arrangement by Share-based Payment Award
Period from date of termination that any vested options shall expire		90 days
Expiration period		10 years
Unrecognized compensation expense related to unvested options | $						$ 1,654,155
Intrinsic value of options exercised | $						1,944,000
Cash proceeds from exercise of stock options | $						$ 20,790,000
Period for unrecognized compensation expense related to unvested options yet has not been recognized						3 years 9 months 18 days
Increase in number of shares of common stock	2,000,000
Stock options granted						1,647,600
Fair value of shares vested | $						$ 62,667,000
Shares vested							0
Options exercised						10,092	0
Maximum fair value of option excluded from the unrecognized compensation expense | $						$ 798,053
Inducement Plan | Stock options vesting based on service
Share-based Compensation Arrangement by Share-based Payment Award
Vesting percentage	25.00%
Stock options granted	1,098,400
Inducement Plan | Stock options vesting based on performance
Share-based Compensation Arrangement by Share-based Payment Award
Stock options granted	549,200
Inducement Plan | Chief Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award
Stock options granted	1,647,600
Inducement Plan | Upon first anniversary of start date
Share-based Compensation Arrangement by Share-based Payment Award
Vesting percentage		25.00%
Inducement Plan | Each month after the first anniversary
Share-based Compensation Arrangement by Share-based Payment Award
Number of monthly installments | installment		36
Inducement Plan | Each month after the first anniversary | Stock options vesting based on performance
Share-based Compensation Arrangement by Share-based Payment Award
Vesting percentage	75.00%
Inducement Plan | Vesting upon FDA Approval | Stock options vesting based on performance
Share-based Compensation Arrangement by Share-based Payment Award
Vesting percentage	50.00%
Inducement Plan | Vesting upon First Commercial Sale | Stock options vesting based on performance
Share-based Compensation Arrangement by Share-based Payment Award
Vesting percentage	50.00%
Common Stock
Share-based Compensation Arrangement by Share-based Payment Award
Options exercised			3,785	5,010	116,046
Common Stock | Inducement Plan
Share-based Compensation Arrangement by Share-based Payment Award
Common stock authorized		500,000

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