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Fixed assets
3 Months Ended
Mar. 31, 2023
Property, Plant and Equipment [Abstract]  
Fixed assets Fixed assets
Fixed assets consist of the following (in thousands):
Estimated Useful LifeMarch 31, 2023December 31, 2022
Equipment
2 - 5 years
$10 $
Furniture and fixtures
2 - 5 years
221 221 
Computer software, including website development
2 - 3 years
187 187 
Computer equipment
1 - 2 years
110 129 
Total fixed assets528 544 
Accumulated depreciation(196)(169)
Fixed assets, net$332 $375 
Depreciation expense was $0.04 million and $0.03 million for the three months ended March 31, 2023 and