Quarterly report pursuant to Section 13 or 15(d)

Revenue (Details Textual)

v3.21.1
Revenue (Details Textual) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Dec. 31, 2020
Revenue from Contract with Customer [Abstract]    
Unsatisfied performance obligations $ 1,100  
Deferred Revenue, Recognized 800  
Revenue recognized 4,014  
Deferred revenue $ 582 $ 844