Annual report pursuant to Section 13 and 15(d)

Basis of Presentation and Summary of Significant Accounting Policies - Summary of Restated Adjustment of Financial Statements (Details)

v3.20.1
Basis of Presentation and Summary of Significant Accounting Policies - Summary of Restated Adjustment of Financial Statements (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Jan. 01, 2019
Accounts receivable   $ 2,489    
Total current assets $ 128,568 209,946    
Deferred revenue—current 19,465 21,574    
Deferred revenue, non-current 16,195 44,599    
Total liabilities 58,581 91,600    
Accumulated deficit (195,745) (150,328)    
Revenues 42,736 38,419 $ 51,741  
Interest and other income (expense), net (4,350)      
Net loss (55,744) $ (35,317) $ (19,688)  
Accounting Standards Update 2014-09        
Accounts receivable       $ 2,489
Total current assets       209,946
Deferred revenue—current 21,989     19,450
Deferred revenue, non-current 20,106     36,396
Total liabilities 65,016     81,273
Accumulated deficit (202,180)     (140,001)
Revenues 43,484      
Interest and other income (expense), net (1,206)      
Net loss (51,852)      
Accounting Standards Update 2014-09 | Difference between Revenue Guidance in Effect before and after Topic 606        
Deferred revenue—current (2,524)     (2,124)
Deferred revenue, non-current (3,911)     (8,203)
Total liabilities (6,435)     (10,327)
Accumulated deficit (6,435)     $ (10,327)
Revenues (748)      
Interest and other income (expense), net 3,144      
Net loss $ 3,892