Quarterly report pursuant to Section 13 or 15(d)

Organization and Description of Business Operations - Additional Information (Details)

v3.21.1
Organization and Description of Business Operations - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2021
Dec. 31, 2020
Retained Earnings (Accumulated Deficit) $ (149,697) $ (143,192)
At the Market Offering [Member]    
Stock Issued During Period, Shares, New Issues 7,025,309  
Stock Issued During Period, Value, New Issues $ 24,600  
Shares Issued, Price Per Share $ 3.50  
Proceeds from Issuance Underwritten Public Offering $ 23,900  
Commissions and other transaction costs $ 700  
Stock Issued During Period Shares Common Shares For At The Market Offering 7,025,309  
Stock Issued During Period Value Common Shares For At The Market Offering Gross $ 24,600