Quarterly report pursuant to Section 13 or 15(d)

NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES (Details Narrative)

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NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) - USD ($)
1 Months Ended 6 Months Ended
Jan. 31, 2024
Jun. 30, 2024
Jun. 30, 2023
May 07, 2024
Jan. 08, 2024
Dec. 31, 2023
Dec. 21, 2021
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]              
Net loss   $ 24,200,000 $ 25,800,000        
Accumulated deficit   773,696,000       $ 749,524,000  
Cash, cash equivalents, restricted cash and short-term investments   123,000,000.0          
Other receivables   $ 1,600,000       $ 2,100,000  
Unfounded exercise price per share   $ 0.0001          
Warrants exercise price             $ 9.75
Loan and Security Agreement [Member]              
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]              
Warrants to purchase shares $ 2,400,000            
Warrants exercise price $ 4.75       $ 4.75    
2024 Loan Agreement [Member]              
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]              
Warrants exercise price   $ 4.07   $ 4.07      
Shares of common stock issuable upon exercise of warrants   589,681