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Prepaid and Other Current Assets
 12 Months Ended
Dec. 31, 2023
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Prepaid and Other Current Assets PREPAID AND OTHER CURRENT ASSETS
Prepaid and other current assets consisted of the following (in thousands):
 At December 31,
 20232022
Prepaid insurance$32 $63 
Prepaid expenses81 130 
Prepaid rent41 39 
Other2 — 
Total prepaid and other current assets$156 232