Provision for Income Tax (Schedule of Income Taxes) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Current income tax expense/(benefit)
Federal	$ (69,000)	$ 298,000	$ 134,000	$ 570,000
State	106,000	(161,000)	182,000	(20,000)
Current income tax expense	37,000	137,000	316,000	550,000
Deferred income tax
Federal	264,000		311,000
State	148,000		191,000
Deferred income tax	412,000		502,000
Total provision for income tax	$ 449,000	$ 137,000	$ 818,000	$ 550,000