Earnings Per Common Share (Reconciliations Of The Numerators And Denominators Of Basic And Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2020	Sep. 30, 2019
Earnings Per Common Share [Abstract]
Net loss	$ (813)	$ (554)	$ (527)	$ (182)	$ 9	$ (96)	$ (1,894)	$ (269)
Weighted average shares - basic	10,680,050			10,653,550			10,673,238	10,648,838
Dilution effect of share-based compensation, treasury method
Weighted average shares - dilutive	10,680,050			10,653,550			10,673,238	10,648,838
Basic and fully diluted	$ (0.08)			$ (0.02)			$ (0.18)	$ (0.03)