Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Condensed Financial Statements (Details)

v3.19.2
Summary of Significant Accounting Policies - Condensed Financial Statements (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Mar. 31, 2019
Jan. 01, 2019
Dec. 31, 2018
Mar. 31, 2018
Dec. 31, 2017
Condensed Consolidated Balance Sheet Data (in thousands):                  
Prepaid expenses and other current assets $ 4,605   $ 4,605     $ 5,290 $ 4,574    
Other non-current assets 11,490   11,490     2,030 910    
Total Assets 130,840   130,840     143,177 141,341    
Deferred revenues, current portion 28,406   28,406       35,612    
Deferred revenue, net of current portion 58,110   58,110     56,780 53,303    
Total Liabilities 111,355   111,355     104,883 101,406    
Accumulated deficit (170,813)   (170,813)     (148,707) (147,066)    
Total stockholders' equity 19,485 $ 55,317 19,485 $ 55,317 $ 30,162 38,294 39,935 $ 50,692 $ 11,522
Total liabilities and stockholders' equity 130,840   130,840     143,177 $ 141,341    
Condensed Consolidated Statement of Operations Data (in thousands):                  
Revenue 5,332 11,691 13,877 15,843          
General and administrative expenses 4,189 4,779 9,121 9,131          
Loss from operations (12,230) (2,243) (22,913) (10,379)          
Loss before income taxes (11,758) (351) (22,106) (9,065)          
Net loss (11,758) (203) (22,106) (8,917)          
Comprehensive loss (12,409) $ 3,196 (21,831) $ (6,796)          
Adjusted Balance, ASC 605                  
Condensed Consolidated Balance Sheet Data (in thousands):                  
Prepaid expenses and other current assets 4,001   4,001            
Other non-current assets 10,370   10,370            
Total Assets 129,116   129,116            
Deferred revenues, current portion 37,095   37,095            
Deferred revenue, net of current portion 46,466   46,466            
Total Liabilities 108,400   108,400            
Accumulated deficit (169,582)   (169,582)            
Total stockholders' equity 20,716   20,716            
Total liabilities and stockholders' equity 129,116   129,116            
Condensed Consolidated Statement of Operations Data (in thousands):                  
Revenue 4,133   13,355            
General and administrative expenses 4,150   9,009            
Loss from operations (13,468)   (23,547)            
Loss before income taxes (12,996)   (22,740)            
Net loss (12,996)   (22,740)            
Comprehensive loss (13,647)   (22,465)            
Accounting Standards Update 2014-09                  
Condensed Consolidated Balance Sheet Data (in thousands):                  
Prepaid expenses and other current assets           716      
Other non-current assets           1,120      
Total Assets           1,836      
Deferred revenue, net of current portion           3,477      
Total Liabilities           3,477      
Accumulated deficit           (1,641)      
Total stockholders' equity           (1,641)      
Total liabilities and stockholders' equity           $ 1,836      
Accounting Standards Update 2014-09 | Adjustments                  
Condensed Consolidated Balance Sheet Data (in thousands):                  
Prepaid expenses and other current assets (604)   (604)            
Other non-current assets (1,120)   (1,120)            
Total Assets (1,724)   (1,724)            
Deferred revenues, current portion 8,689   8,689            
Deferred revenue, net of current portion (11,644)   (11,644)            
Total Liabilities (2,955)   (2,955)            
Accumulated deficit 1,231   1,231            
Total stockholders' equity 1,231   1,231            
Total liabilities and stockholders' equity (1,724)   (1,724)            
Condensed Consolidated Statement of Operations Data (in thousands):                  
Revenue (1,199)   (522)            
General and administrative expenses (39)   (112)            
Loss from operations (1,238)   (634)            
Loss before income taxes (1,238)   (634)            
Net loss (1,238)   (634)            
Comprehensive loss $ (1,238)   $ (634)