STOCKHOLDERS’ EQUITY (Details Narrative) - USD ($)									1 Months Ended		2 Months Ended	11 Months Ended	12 Months Ended
	Feb. 16, 2021	Nov. 20, 2020	Nov. 13, 2020	Nov. 10, 2020	Jun. 18, 2020	Oct. 29, 2019	Aug. 06, 2018	Aug. 06, 2018	Feb. 08, 2021	Nov. 30, 2020	Feb. 28, 2021	Nov. 30, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Nov. 08, 2021	Nov. 08, 2020	Aug. 05, 2020
Class of Warrant or Right [Line Items]
Preferred Stock, Shares Authorized													10,000,000	10,000,000
Preferred Stock, Par or Stated Value Per Share													$ 0.001	$ 0.001
Preferred Stock, Shares Issued													0	0
Preferred Stock, Shares Outstanding													0	0
Common Stock, Shares Authorized													600,000,000	350,000,000
Common Stock, Shares, Issued													299,765,396	271,177,076
Common Stock, Shares, Outstanding													299,765,396	271,177,076
Shares issued for exercise of options, net (in shares)													1,182,195
Shares Issued, Price Per Share																$ 1.1856
Proceeds from Issuance of Common Stock													$ 31,702,635	$ 77,031,258	$ 89,907,797
Number of stock options exercised in cashless exercise (in shares)														12,097	10,000
Number of common stock issued during period for stock options exercised in cashless exercise (in shares)														11,834	9,841
Shares issued in offerings, net of cost													$ 31,702,635	$ 77,031,258	$ 89,907,797
Warrants outstanding													6,534,687
Weighted-average contractual remaining life													7 years 3 months
Non cash compensation expense													$ 10,678,992	$ 10,693,662	8,661,967
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number													23,781,930	25,030,234
Share-based Payment Arrangement, Expense													$ 5,235,585	$ 8,798,707	8,091,294
Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount													5,238,000
Restricted Stock or Unit Expense													5,399,472	$ 1,628,407	$ 73,132
Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount													$ 9,989,000
2009 Long Term Incentive Compensation Plan [Member]
Class of Warrant or Right [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number													13,285,205
2012 Stock Incentive Plan [Member]
Class of Warrant or Right [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number													6,305,974
Plan 2019 [Member]
Class of Warrant or Right [Line Items]
Award vesting period													4 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number													4,190,751
Award expiration period													10 years
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized													2,583,565
Employee Stock Purchase Plan [Member]
Class of Warrant or Right [Line Items]
Non cash compensation expense					$ 17,489
Common Stock, Capital Shares Reserved for Future Issuance					5,400,000
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent					85.00%
Financing Agreement Amendment No. 6 [Member]
Class of Warrant or Right [Line Items]
Debt Discount																	$ 239,983
Warrant [Member]
Class of Warrant or Right [Line Items]
Weighted average exercise price of warrants (in dollars per share)													$ 1.55	$ 2.62
Weighted average grant date fair value, granted													$ 1.56	$ 3.00	$ 2.79
Number of shares under warrants granted													4,752,116
Warrants exercised													0	1,250,000	0
Number of stock issued in cashless exercise of warrants														471,184
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number													6,534,687	1,832,571
Lender Warrants [Member]
Class of Warrant or Right [Line Items]
Warrants outstanding																		4,752,116
Class of Warrant or Right, Exercise Price of Warrants or Rights																		$ 1.58
Share-based Goods and Nonemployee Services Transaction, Valuation Method, Expected Term													10 years
Share-based Goods and Nonemployee Services Transaction, Valuation Method, Expected Volatility Rate													68.80%
Share-based Goods and Nonemployee Services Transaction, Valuation Method, Risk Free Interest Rate													0.34%
Share-based Goods and Nonemployee Services Transaction, Valuation Method, Expected Dividend Rate													0.00%
Weighted average grant date fair value, granted													$ 1.56
Lender Warrants [Member] | Financing Agreement Amendment No. 6 [Member]
Class of Warrant or Right [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights																	$ 1.1856
Outside Consultants Warrants [Member]
Class of Warrant or Right [Line Items]
Number of shares under warrants granted														75,000	175,000
Award vesting period														12 months	12 months
Warrants expiration date														Feb. 13, 2024	Mar. 15, 2023
Warrants [Member]
Class of Warrant or Right [Line Items]
Non cash compensation expense													$ 26,446	$ 254,970	$ 494,136
Maximum [Member]
Class of Warrant or Right [Line Items]
Range - exercise price of options													$ 8.92
Maximum [Member] | Warrant [Member]
Class of Warrant or Right [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights													8.20
Minimum [Member]
Class of Warrant or Right [Line Items]
Range - exercise price of options													0.38
Minimum [Member] | Warrant [Member]
Class of Warrant or Right [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights													$ 0.24
Underwriting Agreement Cantor Fitzgerald [Member]
Class of Warrant or Right [Line Items]
Shares issued in offerings, net of cost (in shares)			23,437,500
Shares Issued, Price Per Share				$ 1.1856
Period exercisable underwriters option				30 days
Underwriters option granted in period shares		3,515,625
Proceeds from issuance public offering				$ 31,703,000
Maximum Common Stock Offering Price												$ 50,000,000
Fixed Commission Rate										3.00%
Underwriting Agreement Cantor Fitzgerald [Member] | Subsequent Event [Member]
Class of Warrant or Right [Line Items]
Shares issued in offerings, net of cost (in shares)	59,459,460								28,600,689
Period exercisable underwriters option	30 days
Underwriters option granted in period shares	8,918,919
Proceeds from Issuance of Common Stock	$ 97,100,000								$ 47,300,000
Underwriting Agreement Cantor Fitzgerald [Member] | Subsequent Event [Member] | Maximum [Member]
Class of Warrant or Right [Line Items]
Proceeds from Issuance of Common Stock											$ 50,000,000
Underwriting Agreement JP Morgan Chase [Member]
Class of Warrant or Right [Line Items]
Shares issued in offerings, net of cost (in shares)						26,000,000
Shares Issued, Price Per Share						$ 2.75
Period exercisable underwriters option						30 days
Underwriters option granted in period shares						3,900,000
Proceeds from issuance public offering						$ 77,031,000
Underwriting Agreement Goldman Sachs [Member]
Class of Warrant or Right [Line Items]
Shares issued in offerings, net of cost (in shares)							12,745,098
Shares Issued, Price Per Share							$ 5.10	$ 5.10
Period exercisable underwriters option							30 days
Underwriters option granted in period shares							1,911,764
Proceeds from issuance public offering							$ 69,908,000
Subscription Agreement Knight [Member]
Class of Warrant or Right [Line Items]
Shares issued in offerings, net of cost (in shares)								3,921,568
Shares Issued, Price Per Share							$ 5.10	$ 5.10
Shares issued in offerings, net of cost								$ 20,000,000
Equity Option [Member]
Class of Warrant or Right [Line Items]
Shares issued for exercise of options, net (in shares)													1,182,195	331,619	5,444,526
Shares issued for exercise of options, net													$ 271,678	$ 108,656	$ 1,666,208
Restricted Stock [Member]
Class of Warrant or Right [Line Items]
Weighted average grant date fair value, granted													$ 1.39
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number													7,061,024	1,240,000
Restricted Stock [Member] | 2012 Stock Incentive Plan [Member]
Class of Warrant or Right [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number													890,000
Restricted Stock [Member] | Plan 2019 [Member]
Class of Warrant or Right [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number													6,171,024
Performance Stock Units [Member] | Plan 2019 [Member]
Class of Warrant or Right [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number													2,403,951
Share-based Payment Arrangement, Option [Member]
Class of Warrant or Right [Line Items]
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition													1 year 10 months 24 days
Restricted Stock Units (RSUs) [Member]
Class of Warrant or Right [Line Items]
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition													1 year 7 months 6 days