Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition - Roll forward of deferred revenue (Details)

v3.22.1
Revenue Recognition - Roll forward of deferred revenue (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2022
USD ($)
Revenue Recognition  
Balance at December 31, 2021 $ 9,165
Revenue recognized (6,409)
Revenue deferred 9,194
Balance at March 31, 2022 $ 11,950