Income Taxes Expense - Narrative (Details) - USD ($) $ in Thousands |
12 Months Ended | |||
---|---|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Jun. 09, 2020 |
|
Operating Loss Carryforwards [Line Items] | ||||
Valuation allowance related to acquisition | $ 582 | $ 11 | $ 600 | |
Research and development credit carryforwards | 3,500 | |||
Net tax benefit as a result of statutes of limitation | 600 | 3,000 | $ 600 | |
Tax expense on uncertain tax positions | 300 | $ 200 | $ 300 | |
Tax expense related to prior year position | 200 | |||
U.S. Federal | ||||
Operating Loss Carryforwards [Line Items] | ||||
NOL carryforwards | 57,900 | |||
NOLs utilized | 6,400 | |||
State | ||||
Operating Loss Carryforwards [Line Items] | ||||
NOL carryforwards | 21,900 | |||
NOLs utilized | $ 13,600 |