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Summary Of Significant Accounting Policies (Earnings Per Common Share) (Details)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Aug. 20, 2018
Jun. 30, 2019
USD ($)
$ / shares
shares
Jun. 30, 2018
USD ($)
$ / shares
shares
Jun. 30, 2019
USD ($)
$ / shares
shares
Jun. 30, 2018
USD ($)
$ / shares
shares
Basic          
Net income | $   $ 2,280 $ 1,130 $ 3,961 $ 1,922
Accretion of discount and value of warrants exercised related to Series B preferred stock | $   157 (12) 183 (38)
Net income attributable to common stockholders | $   $ 2,437 $ 1,118 $ 4,144 $ 1,884
Weighted average common shares outstanding including unvested share-based payment awards [1]   4,412,726 4,248,573 4,384,395 4,245,757
Less: Unvested share-based payment awards  
Average shares   4,412,726 4,248,573 4,384,395 4,245,757
Basic earnings per common share | $ / shares   $ 0.55 $ 0.26 $ 0.95 $ 0.44
Diluted          
Add back: Preferred Dividends on Series B preferred stock and accretion of discount | $  
Net earnings allocated to common stockholders | $   $ 2,437 $ 1,118 $ 4,144 $ 1,884
Add: Dilutive effects of assumed exercises of stock options   35,077 41,226 37,075 40,263
Add: Dilutive effects of assumed exercises of stock warrants   4,834 198,540 13,894 202,186
Average shares and dilutive potential common shares   4,452,637 4,488,339 4,435,364 4,488,206
Diluted earnings per common share | $ / shares   $ 0.55 $ 0.25 $ 0.93 $ 0.42
Reverse stock split ratio 5.5        
[1] Adjusted for 1-for-5.5 reverse stock split on August 20, 2018.