Quarterly report pursuant to Section 13 or 15(d)

Prepaid Expenses and Other Current Assets (Details)

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Prepaid Expenses and Other Current Assets (Details) - USD ($)
shares in Thousands, $ in Thousands
3 Months Ended 9 Months Ended
Aug. 28, 2019
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Dec. 31, 2018
Prepaid Expenses and Other Current Assets [Abstract]            
Prepaid insurance   $ 50   $ 50   $ 15
Prepaid advertising   1,291   1,291   0
Other   590   590   254
Total prepaid expenses and other current assets   1,931   1,931   $ 269
Advertising Agreement [Abstract]            
Stock issued to third parties for services $ 3,440 3,440   3,440    
Advertising expenses incurred   1,800 $ 800 5,800 $ 3,000  
IHeartMedia [Member]            
Advertising Agreement [Abstract]            
Advertising expenses incurred   600   600    
Committed usage amount of media inventory       1,700    
Prepaid advertising balance   2,800   2,800    
IHeartMedia [Member] | Maximum [Member]            
Advertising Agreement [Abstract]            
Committed talent fees   100   100    
Prepaid Expenses and Other Current Assets [Member] | IHeartMedia [Member]            
Advertising Agreement [Abstract]            
Prepaid advertising balance   1,300   1,300    
Other Noncurrent Assets [Member] | IHeartMedia [Member]            
Advertising Agreement [Abstract]            
Prepaid advertising balance   $ 1,500   $ 1,500    
Common Stock [Member]            
Advertising Agreement [Abstract]            
Stock issued to third parties for services (in shares) 1,000 1,000   1,000    
Stock issued to third parties for services   $ 1   $ 1