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Income Taxes - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Tax Credit Carryforward [Line Items]
General business credit	$ 9
Foreign tax credit carry-forwards	2,345	$ 2,345
Valuation allowance increase	4,648
Interest and penalties	46	61
Non-current income taxes payable	255	$ 208
Decrease in unrecognized tax benefits is reasonably possible	19
Federal
Tax Credit Carryforward [Line Items]
Operating loss carryforwards	22,103
Federal | Research Tax Credit Carryforward
Tax Credit Carryforward [Line Items]
Unrecognized excess tax benefit	6,238
State Tax Authority
Tax Credit Carryforward [Line Items]
Operating loss carryforwards	16,878
Unrecognized excess tax benefit	114
State Tax Authority | Research Tax Credit Carryforward
Tax Credit Carryforward [Line Items]
Unrecognized excess tax benefit	$ 4,918

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