Income Taxes (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Income taxes at statutory rate	$ 474	$ 1,269
State income taxes, net of federal benefit	89	136
Deferred true-ups	58	161
Provision to return	(19)	152
Rate reduction	0	(664)
Other	(30)	3
Income tax expense	$ 572	$ 1,057
Income taxes at statutory rate	21.00%	34.00%
State income taxes, net of federal benefit	4.00%	3.60%
Deferred true-ups	2.60%	4.30%
Provision to return	(0.80%)	4.10%
Rate reduction	0.00%	(17.80%)
Other	(1.50%)	0.10%
Effective income tax rate	25.30%	28.30%