XML 224 R205.htm IDEA: XBRL DOCUMENT v3.22.4
Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Deferred tax assets:    
Net operating loss and credit carryforwards $ 107,979 $ 104,301
Operating lease liability 1,878 2,394
Accrued bonus 981 850
Accrued expenses 1,566 429
Deferred revenue 309 1,018
Equity method investment 1,243 1,031
Other 925 394
Gross deferred tax asset 114,881 110,417
Valuation allowance (113,276) (108,300)
Net deferred tax asset 1,605 2,117
Deferred tax liabilities:    
Operating lease asset (1,429) (1,941)
Other (176) (176)
Total deferred tax liabilities (1,605) (2,117)
Net deferred income tax assets and liabilities: $ 0 $ 0