Annual report pursuant to Section 13 and 15(d)

Organization, Nature of Operations and Basis of Presentation (Details)

v3.20.4
Organization, Nature of Operations and Basis of Presentation (Details) - USD ($)
$ in Thousands
2 Months Ended 12 Months Ended
Mar. 03, 2021
Feb. 28, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Cash and cash equivalents     $ 6,227 $ 15,045 $ 28,918
Proceeds from issuance ATM offering, net of issuance costs     $ 3,400    
Subsequent Event [Member]          
Proceeds from issuance ATM offering, net of issuance costs $ 63,800        
Cash proceeds from exercise of warrants $ 8,000 $ 8,000