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Income Taxes - Deferred Income Taxes (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets:
Deferred income	$ 2,132	$ 3,252
Fair market value adjustment	1,577	10,856
Other	784	758
Tax loss carryforwards	25,829	28,358
Deferred tax assets, gross	30,322	43,224
Valuation allowance	(30,322)	(43,224)
Deferred tax assets, net of valuation allowance	0	0
Net deferred income taxes	$ 0	$ 0

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from deferred income.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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