Income Taxes - Deferred Tax Asset (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Deferred tax assets
Net operating loss carryforward	$ 5,488	$ 3,975
Capital loss carryover	4,991	739
GAAP/Tax basis differences	2,053	3,699
Total deferred tax assets	12,532	8,413
Deferred tax liabilities
Deferred tax liabilities	2	5
Valuation allowance	(10,681)	(7,029)
Total net deferred tax asset	$ 1,849	$ 1,379

Amount of deferred tax liability attributable to taxable temporary differences.

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