Quarterly report pursuant to Section 13 or 15(d)

Revenue (Details Textual)

v3.21.2
Revenue (Details Textual) - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
 [1]
Dec. 31, 2020
Revenue from Contract with Customer [Abstract]      
Unsatisfied performance obligations $ 4,200    
Revenue expected to be recognized 2,000    
Revenue recognized $ 14,056 $ 9,788  
Deferred revenue     $ 900
[1] As noted above, prior periods have not been adjusted for the adoption of ASC 606 and are presented in accordance with historical accounting guidance in effect for those periods.