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Income Taxes - Narratives (Details) - USD ($)
3 Months Ended
Mar. 31, 2019
Dec. 31, 2019
Dec. 31, 2018
Income Tax Disclosure [Abstract]      
Valuation allowance   $ 782,000 $ 2,956,000
Decrease to deferred tax asset valuation allowance $ 2,300,000    
Net deferred tax asset $ 2,300,000 3,269,000 977,000
Unrecognized tax benefits   $ 0 $ 0