Annual report pursuant to Section 13 and 15(d)

SUBSEQUENT EVENTS (Details Narrative)

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SUBSEQUENT EVENTS (Details Narrative) - USD ($)
 12 Months Ended
Jan. 02, 2022
Dec. 31, 2021
Dec. 31, 2020
Jan. 01, 2022
Jan. 01, 2021
Subsequent Event [Line Items]          
Proceeds from issuance of common stock   $ 62,586,070 $ 142,200,752    
2014 Equity Incentive Plan [Member]          
Subsequent Event [Line Items]          
Percentage of outstanding common shares   7.00%      
Shares available for future issuance         25,570,842
Shares available for future grants         9,869,051
2014 Equity Incentive Plan [Member] | Evergreen Provision [Member]          
Subsequent Event [Line Items]          
Percentage of outstanding common shares     7.00%    
August 2020 Sale Agreement [Member]          
Subsequent Event [Line Items]          
Issuance of common stock, net of issuance costs, shares   25,391,710      
Proceeds from issuance of common stock   $ 60,681,238      
Subsequent Event [Member] | 2014 Equity Incentive Plan [Member]          
Subsequent Event [Line Items]          
Shares available for future issuance       34,337,004  
Shares available for future grants       16,760,151  
Subsequent Event [Member] | 2014 Equity Incentive Plan [Member] | Evergreen Provision [Member]          
Subsequent Event [Line Items]          
Increases in number of shares of common stock available for issuance, minimum percentage of outstanding common stock 7.00%        
Number of shares of common stock available for issuance       8,766,162  
Percentage of outstanding common shares 7.00%        
Shares available for future issuance       34,337,004  
Shares available for future grants       16,760,151