Quarterly report pursuant to Section 13 or 15(d)

Consolidated Financial Statements Details - Additional Information (Detail)

v3.10.0.1
Consolidated Financial Statements Details - Additional Information (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Condensed Financial Statements, Captions [Line Items]        
Depreciation Expense $ 167 $ 12 $ 215 $ 23
Gross media placements 31,451 31,243 60,872 57,485
Cost of revenues 820 336 1,384 532
Amortization of deferred debt discounts and issuance costs       3,740
Convertible Notes Payable [Member]        
Condensed Financial Statements, Captions [Line Items]        
Amortization of deferred debt discounts and issuance costs   1,686   3,740
Billed Revenues [Member]        
Condensed Financial Statements, Captions [Line Items]        
Gross media placements 26,322 28,784 51,895 48,207
Netted Against Billings [Member]        
Condensed Financial Statements, Captions [Line Items]        
Cost of revenues $ 23,014 $ 25,045 $ 45,464 $ 41,569