Quarterly report pursuant to Section 13 or 15(d)

Prepaid expenses and other current assets (Details)

v3.20.2
Prepaid expenses and other current assets (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Mar. 05, 2020
Aug. 28, 2019
Mar. 31, 2020
Sep. 30, 2019
Sep. 30, 2019
Sep. 30, 2020
Dec. 31, 2019
Prepaid Expenses and Other Current Assets [Line Items]              
Stock issued to third parties for services (in shares)   1,000,000          
Shares issued to third parties for services   $ 3,400 $ 125 $ 3,440      
Prepaid advertising   3,400          
Advertising expense         $ 600    
iHeart              
Prepaid Expenses and Other Current Assets [Line Items]              
Committed usage amount of media inventory   $ 1,700          
Prepaid advertising           $ 3,000 $ 2,800
Prepaid expenses and other current assets | iHeart              
Prepaid Expenses and Other Current Assets [Line Items]              
Prepaid advertising           1,300 1,700
Other noncurrent assets | iHeart              
Prepaid Expenses and Other Current Assets [Line Items]              
Prepaid advertising           $ 1,700 $ 1,100
Common Stock              
Prepaid Expenses and Other Current Assets [Line Items]              
Stock issued to third parties for services (in shares)     125,000 1,000,000      
Shares issued to third parties for services       $ 1      
Common Stock | iHeart              
Prepaid Expenses and Other Current Assets [Line Items]              
Stock issued to third parties for services (in shares) 125,000 1,000,000          
Shares issued to third parties for services $ 100 $ 3,400