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 ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items]        
Common stock, par value   $ 0.01   $ 0.01
Reverse stock split ratio   exchange ratio of 25-to-1 (the “Reverse Stock Split”)    
Common stock, shares authorized   200,000,000   200,000,000
Cash, cash equivalents, restricted cash and short-term investments   $ 26,000,000.0    
Cash flow from operating activities   (22,700,000) $ (25,074,000)  
Depreciation and amortization costs   1,584,000 1,641,000  
Restricted cash   5,891,000   $ 5,891,000
General and Administrative to Research and Development Expenses [Member]        
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items]        
Reclassification of Rent expense $ 300,000   600,000  
Prepaid Expenses, Other Current Assets to Restricted Cash [Member]        
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items]        
Restricted cash       5,000,000.0
Other Assets and Restricted Cash to Restricted Cash [Member]        
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items]        
Restricted cash       $ 900,000
Research and Development Expense [Member]        
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items]        
Depreciation and amortization costs 800,000   $ 1,600,000  
General and Administrative Expense [Member]        
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items]        
Depreciation and amortization costs $ 16,000 32,000    
Management [Member]        
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items]        
Cash flow from operating activities   $ 22,700,000