XML 52 R23.htm IDEA: XBRL DOCUMENT v3.21.1
SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED)
 12 Months Ended
Dec. 31, 2020
Quarterly Financial Information Disclosure [Abstract]  
SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED) SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED)
The following table contains quarterly financial information for 2020 and 2019. The Company believes that the following information reflects all normal recurring adjustments necessary for a fair presentation of the information for the periods presented. The operating results for any quarter are not necessarily indicative of results for any future period.
2020
March 31,
2020		June 30,
2020		September 30,
2020		December 31,
2020		Total
(in thousands, except per share data)
Revenue$— $— $— $— $— 
Total operating expenses12,879 15,028 18,480 23,183 69,570 
Loss from operations(12,879)(15,028)(18,480)(23,183)(69,570)
Net loss attributable to common stockholders(12,145)(14,571)(17,912)(22,626)(67,254)
Net loss per share attributable to common stockholders, basic and diluted$(0.51)$(0.41)$(0.50)$(0.63)$(2.05)
2019
March 31,
2019		June 30,
2019		September 30,
2019		December 31,
2019		Total
(in thousands, except per share data)
Revenue$— $— $— $— $— 
Total operating expenses3,841 6,999 8,148 10,344 29,332 
Loss from operations(3,841)(6,999)(8,148)(10,344)(29,332)
Net loss attributable to common stockholders(3,828)(12,287)(9,268)(9,875)(35,258)
Net loss per share attributable to common stockholders, basic and diluted$(1.87)$(5.99)$(4.50)$(4.63)$(16.99)