Quarterly report pursuant to Section 13 or 15(d)

SIGNIFICANT ACCOUNTING POLICIES (Details Narrative)

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SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) - USD ($)
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Property, Plant and Equipment [Line Items]      
Restricted cash $ 669,900   $ 669,900
Restricted cash, current 192,475   192,475
Restricted Cash, noncurrent 477,425   477,425
Cash and Cash Equivalents, at Carrying Value 57,026,334   25,006,632
Prepaid Expense and Other Assets, Current 2,161,860   2,365,010
Property, Plant and Equipment, Net 2,210,426   2,392,696
Unrecognized Tax Benefits 0   0
Cash, cash equivalents and marketable debt securities 86,121,000    
Other income (expense), net (193,351) $ (15,094)  
Impairment charges $ 606,000    
Deferred Tax Assets [Member]      
Property, Plant and Equipment [Line Items]      
Valuation allowance 100.00%    
Computer Hardware and Software [Member]      
Property, Plant and Equipment [Line Items]      
Property and equipment, estimated useful life 3 years    
Office Furniture and Equipment [Member] | Minimum [Member]      
Property, Plant and Equipment [Line Items]      
Property and equipment, estimated useful life 3 years    
Office Furniture and Equipment [Member] | Maximum [Member]      
Property, Plant and Equipment [Line Items]      
Property and equipment, estimated useful life 5 years    
Leaseholds and Leasehold Improvements [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Estimated Useful Lives The Company’s leasehold improvements and assets under capital lease are amortized over the shorter of their useful lives or the respective leases. See Note 7 for details of property and equipment and Note 8 for operating and capital lease commitments.    
UNITED KINGDOM      
Property, Plant and Equipment [Line Items]      
Cash held in subsidiary $ 11,942,000   5,752,000
Prepaid Expense and Other Assets, Current 785,000   973,000
Property, Plant and Equipment, Net     1,000
Cash, cash equivalents and investments 21,942,000   $ 22,504,000
Letter of Credit [Member]      
Property, Plant and Equipment [Line Items]      
Restricted cash 669,900    
Restricted cash, current 192,475    
Restricted Cash, noncurrent $ 477,425