Income Taxes (Narrative) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Provision (benefit) for (from) income taxes	$ (10,000)	$ 620,000	$ 525,000	$ 1,017,000
Income before provision for income taxes	$ 489,000	$ 1,699,000	$ 2,000,000	$ 3,320,000
Effective tax rate	(2.00%)	36.00%	26.00%	31.00%
Statutory tax rate	21.00%	21.00%
Discrete tax expense			$ 152,000
State and Local Jurisdiction [Member]
Provision (benefit) for (from) income taxes	$ (94,000)