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Income taxes - Schedule of Significant Components of Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Deferred tax assets:    
Unamortized intangible assets $ 138,978 $ 157,930
Impact of revenue recognition 112,251 131,395
Net operating loss carryforwards 77,664 40,314
Share based compensation 25,644 17,595
Research and development 12,146 9,186
Interest limitations 7,948 6,975
Lease liability 4,836 1,006
Other temporary differences 3,032 2,822
Total gross deferred tax assets 382,499 367,223
Less: valuation allowance (375,717) (364,082)
Total deferred tax assets 6,782 3,141
Deferred tax liabilities:    
Right of use assets 4,559 936
Fixed assets 2,214 2,185
Other liabilities 9 20
Total gross deferred tax liabilities 6,782 3,141
Net deferred taxes assets (liability) $ 0 $ 0