Share-Based Compensation - Summary of Options Outstanding and Exercisable on an As-Converted Basis (Details) - $ / shares	3 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Options Outstanding	55,918,949	50,427,065	40,028,465
Life Remaining (years)	3 years 8 months 15 days	3 years 8 months 19 days	4 years 1 month 13 days
Equity Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Options Outstanding	55,918,949
Exercisable Options	27,538,704
Life Remaining (years)	3 years 8 months 19 days
Equity Incentive Plan | Stock Options Granted on July 31, 2019, One
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Strike Price	$ 1.00
Options Outstanding	7,983,332
Exercisable Options	7,983,332
Life Remaining (years)	1 year 8 months 12 days
Equity Incentive Plan | Stock Options Granted on July 31, 2019, Two
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Strike Price	$ 1.00
Options Outstanding	1,166,667
Exercisable Options	1,166,667
Life Remaining (years)	2 years 6 months 7 days
Equity Incentive Plan | Stock Options Granted on July 31, 2019, Three
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Strike Price	$ 1.50
Options Outstanding	516,666
Exercisable Options	344,444
Life Remaining (years)	3 years 2 months 12 days
Equity Incentive Plan | Stock Options Granted on July 31, 2019, Four
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Strike Price	$ 1.50
Options Outstanding	800,000
Exercisable Options	333,334
Life Remaining (years)	3 years 2 months 19 days
Equity Incentive Plan | Stock Options Granted on July 31, 2019, Five
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Strike Price	$ 0.10
Options Outstanding	6,245,840
Exercisable Options	6,245,840
Life Remaining (years)	3 years 5 months 15 days
Equity Incentive Plan | Stock Options Granted on August 22, 2019, One
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Strike Price	$ 0.80
Options Outstanding	5,900,484
Exercisable Options	2,922,737
Life Remaining (years)	3 years 4 months 24 days
Equity Incentive Plan | Stock Options Granted on August 22, 2019, Two
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Strike Price	$ 1.00
Options Outstanding	6,150,000
Exercisable Options	1,881,450
Life Remaining (years)	3 years 4 months 24 days
Equity Incentive Plan | Stock Options Granted on November 1, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Strike Price	$ 0.80
Options Outstanding	1,200,000
Exercisable Options	400,000
Life Remaining (years)	3 years 7 months 2 days
Equity Incentive Plan | Stock Options Granted on November 6, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Strike Price	$ 0.80
Options Outstanding	15,040
Exercisable Options	5,013
Life Remaining (years)	3 years 7 months 9 days
Equity Incentive Plan | Stock Options Granted on February 3, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Strike Price	$ 0.80
Options Outstanding	425,000
Exercisable Options	158,333
Life Remaining (years)	3 years 10 months 6 days
Equity Incentive Plan | Stock Options Granted on June 8, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Strike Price	$ 0.80
Options Outstanding	25,000
Life Remaining (years)	3 years 10 months 6 days
Equity Incentive Plan | Stock Options Granted on July 31, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Strike Price	$ 0.80
Options Outstanding	1,500,000
Exercisable Options	933,344
Life Remaining (years)	4 years 4 months 2 days
Equity Incentive Plan | Stock Options Granted on September 15, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Strike Price	$ 0.86
Options Outstanding	8,265,920
Exercisable Options	3,832,960
Life Remaining (years)	4 years 5 months 15 days
Equity Incentive Plan | Stock Options Granted on October 2, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Strike Price	$ 0.77
Options Outstanding	3,000,000
Life Remaining (years)	4 years 6 months 3 days
Equity Incentive Plan | Stock Options Granted on November 24, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Strike Price	$ 0.94
Options Outstanding	1,775,000
Exercisable Options	1,331,250
Life Remaining (years)	4 years 7 months 24 days
Equity Incentive Plan | Stock Options Granted on December 2, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Strike Price	$ 1.11
Options Outstanding	2,900,000
Life Remaining (years)	4 years 8 months 4 days
Equity Incentive Plan | Stock Options Granted on December 21, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Strike Price	$ 1.06
Options Outstanding	1,200,000
Life Remaining (years)	4 years 8 months 23 days
Equity Incentive Plan | Stock Options Granted on March 18, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Strike Price	$ 1.63
Options Outstanding	6,850,000
Life Remaining (years)	4 years 11 months 19 days