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Property and Equipment (Tables)
3 Months Ended
Mar. 31, 2023
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment [Table Text Block]
Property and equipment consisted of the following (in thousands):
March 31, 2023December 31, 2022
Furniture and fixtures$— $25 
Computer equipment589 589 
Leasehold improvements72 99 
Property and equipment, gross661 713 
Accumulated depreciation(399)(417)
Property and equipment, net$262 $296