(7) Income Taxes (Details Narrative) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Operating Loss Carryforwards [Line Items]
Unrecognized tax benefits	$ 0		$ 0		$ 0
Net deferred tax asset	33,400		33,400
Income Tax Expense (Benefit)	1,671	$ 970	$ (6,009)	$ 1,907
Effective tax rate			36.00%	35.00%
Domestic Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Net deferred tax asset	22,100		$ 22,100
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Net deferred tax asset	$ 11,300		$ 11,300