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Prepaid Expenses and Other Current Assets
9 Months Ended
Sep. 30, 2020
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Prepaid Expenses and Other Current Assets
NOTE 2 — PREPAID EXPENSES AND OTHER CURRENT ASSETS
    The components of prepaid expenses and other current assets consist of the following (in thousands):
September 30, 2020December 31, 2019
Prepaid expenses$1,013 $1,234 
Deposits111 364 
Tradable equity securities— 5,069 
Derivative asset (Note 6)— 3,121 
Other current assets58 1,510 
Total prepaid expenses and other current assets$1,182 $11,298