Summary Of Significant Accounting Policies (Earnings Per Common Share) (Details) $ / shares in Units, $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2019 USD ($) $ / shares shares	Sep. 30, 2018 USD ($) $ / shares shares	Sep. 30, 2019 USD ($) $ / shares shares	Sep. 30, 2018 USD ($) $ / shares shares
Basic
Net income | $		$ 2,617	$ 1,055	$ 6,578	$ 2,977
Accretion of discount and value of warrants exercised related to Series B preferred stock | $		36	(26)	219	(64)
Net income attributable to common stockholders | $		$ 2,653	$ 1,029	$ 6,797	$ 2,913
Weighted average common shares outstanding including unvested share-based payment awards		4,488,399	4,251,820	4,419,444	4,247,800
Less: Unvested share-based payment awards
Average shares		4,488,399	4,251,820	4,419,444	4,247,800
Basic earnings per common share | $ / shares		$ 0.59	$ 0.24	$ 1.54	$ 0.69
Diluted
Add back: Preferred Dividends on Series B preferred stock and accretion of discount | $
Net earnings allocated to common stockholders | $		$ 2,653	$ 1,029	$ 6,797	$ 2,913
Add: Dilutive effects of assumed exercises of stock options		37,050	49,508	37,067	43,344
Add: Dilutive effects of assumed exercises of stock warrants	[1]		65,894	9,262	51,127
Average shares and dilutive potential common shares		4,525,449	4,367,222	4,465,773	4,342,271
Diluted earnings per common share | $ / shares		$ 0.59	$ 0.24	$ 1.52	$ 0.67
Reverse stock split ratio				0.1818

[1] All outstanding warrants expired on July 15, 2019.