Annual report pursuant to Section 13 and 15(d)

NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative)

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NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative)
12 Months Ended
Dec. 31, 2020
USD ($)
Integer
Oct. 31, 2020
shares
Dec. 31, 2019
USD ($)
Lessor, Lease, Description [Line Items]      
Cash, cash equivalents and short-term investments $ 95,000,000.0    
Net assets 102,600,000    
Net cash used in operating activities 35,000,000.0    
Non-cash licensed technology impairment charge 32,900,000    
Goodwill $ 32,466,000   $ 32,466,000
Number of Operating Segments | Integer 1    
Pre-Funded Warrants [Member]      
Lessor, Lease, Description [Line Items]      
Warrants converted to shares | shares   9,017,055  
Equipment [Member] | Minimum [Member]      
Lessor, Lease, Description [Line Items]      
Property and equipment estimated useful lives 3 years    
Equipment [Member] | Maximum [Member]      
Lessor, Lease, Description [Line Items]      
Property and equipment estimated useful lives 7 years    
Leasehold Improvements [Member] | Minimum [Member]      
Lessor, Lease, Description [Line Items]      
Property and equipment estimated useful lives 5 years    
Leasehold Improvements [Member] | Maximum [Member]      
Lessor, Lease, Description [Line Items]      
Property and equipment estimated useful lives 10 years