Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Impact of Adopting ASC 842 (Details)

v3.20.2
Summary of Significant Accounting Policies - Impact of Adopting ASC 842 (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Net loss $ (14,283) $ (2,592) $ (22,830) $ (24,698) [1]
Depreciation and amortization       367
Right-of-use asset amortization     (103) 315 [1]
Stock-based compensation     3,916 4,260 [1]
Deferred rent expense       0
Other non-cash transactions     (293) 90 [1]
Changes in operating assets and liabilities     (14,792) (18,827) [1]
Net cash used in operating activities     $ (32,479) (38,493) [1]
Previously reported        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Net loss       (24,698)
Depreciation and amortization       367
Right-of-use asset amortization       0
Stock-based compensation       4,260
Deferred rent expense       853
Other non-cash transactions       90
Changes in operating assets and liabilities       (19,365)
Net cash used in operating activities       (38,493)
ASC 842 Adjustment during the period | Accounting Standards Update 2016-02        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Net loss       0
Depreciation and amortization       0
Right-of-use asset amortization       315
Stock-based compensation       0
Deferred rent expense       (853)
Other non-cash transactions       0
Changes in operating assets and liabilities       538
Net cash used in operating activities       $ 0
[1] (1) Restated to conform to ASC 842. See accompanying Note 2.