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Income Taxes (Effective Income Tax Rate Reconciliation) (Details) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Income Tax Disclosure [Abstract]    
Federal income tax expense computed at the statutory rate $ 4,481,000 $ 3,891,000
State income taxes, net of federal tax benefit 551,000 491,000
Nondeductible acquisition expenses 138,000 364,000
Tax benefit from stock options (1,786,000) 0
Change in tax rate 0 2,440,000
Other (151,000) (757,000)
Total income tax expense $ 3,233,403 $ 6,428,791