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Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2021
Accounting Policies [Abstract]  
Schedule of Property and Equipment Useful Life Property and equipment is stated at historical cost less accumulated depreciation. Depreciation and amortization are computed using the straight-line method over the following estimated useful lives:
Software, office and computer equipment3 years
Leasehold improvements, furniture, fixtures and fittings
5-10 years
The principal categories of property and equipment, net at December 31, 2021 and 2020, respectively, are as follows: 
Property and Equipment, net:20212020
Software, office and computer equipment$448 $1,443 
Furniture, fixtures and fittings302 300 
Less - accumulated depreciation(465)(1,384)
Total$285 $359