Quarterly report pursuant to Section 13 or 15(d)

Supplemental Balance Sheet Information, Property and Equipment, Net (Details)

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Supplemental Balance Sheet Information, Property and Equipment, Net (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Property and Equipment, net [Abstract]          
Total property and equipment $ 25   $ 25   $ 25
Less accumulated depreciation (17)   (17)   (15)
Property and equipment, net 8   8   10
Depreciation expense 1 $ 1 2 $ 2  
Equipment [Member]          
Property and Equipment, net [Abstract]          
Total property and equipment 20   20   20
Furniture [Member]          
Property and Equipment, net [Abstract]          
Total property and equipment $ 5   $ 5   $ 5