| 2017 | 2016 | 2015 | ||||||||||
| Current | $ | 10,976,005 | $ | 11,969,194 | $ | 5,673,774 | ||||||
| Deferred | (6,029,555 | ) | (3,066,407 | ) | (2,004,532 | ) | ||||||
| $ | 4,946,450 | $ | 8,902,787 | $ | 3,669,242 | |||||||
| Years Ended December 31, | ||||||||||||||||||||||||
| 2017 | 2016 | 2015 | ||||||||||||||||||||||
| % of | % of | % of | ||||||||||||||||||||||
| Pretax | Pretax | Pretax | ||||||||||||||||||||||
| Amount | Income | Amount | Income | Amount | Income | |||||||||||||||||||
| Computed "expected" tax expense | $ | 14,228,535 | 35.0 | % | $ | 12,806,351 | 35.0 | % | $ | 7,208,993 | 35.0 | % | ||||||||||||
| Effect of graduated tax rates | - | - | (250,013 | ) | (0.7 | ) | (76,973 | ) | (0.4 | ) | ||||||||||||||
| Tax exempt income, net | (5,653,979 | ) | (13.9 | ) | (4,343,270 | ) | (11.9 | ) | (3,461,438 | ) | (16.8 | ) | ||||||||||||
| Bank-owned life insurance | (630,855 | ) | (1.5 | ) | (619,988 | ) | (1.7 | ) | (616,737 | ) | (3.0 | ) | ||||||||||||
| State income taxes, net of federal benefit, current year | 1,764,671 | 4.3 | 1,245,524 | 3.4 | 767,557 | 3.7 | ||||||||||||||||||
| Change in unrecognized tax benefits | (53,699 | ) | (0.1 | ) | 121,008 | 0.3 | 223,668 | 1.1 | ||||||||||||||||
| New Markets Tax Credits and other credits | (341,268 | ) | (0.8 | ) | (180,000 | ) | (0.5 | ) | (180,000 | ) | (0.9 | ) | ||||||||||||
| Acquisition costs | - | - | 176,050 | 0.5 | - | - | ||||||||||||||||||
| Excess tax benefit on stock options exercised and restricted stock awards vested | (1,219,483 | ) | (3.0 | ) | - | - | - | - | ||||||||||||||||
| Re-measurement of deferred tax asset to incorporate newly enacted tax rates | (2,918,606 | ) | (7.2 | ) | - | - | - | - | ||||||||||||||||
| Other | (228,866 | ) | (0.6 | ) | (52,875 | ) | (0.1 | ) | (195,828 | ) | (0.9 | ) | ||||||||||||
| $ | 4,946,450 | 12.2 | % | $ | 8,902,787 | 24.3 | % | $ | 3,669,242 | 17.8 | % | |||||||||||||
| 2017 | 2016 | |||||||
| Balance, beginning | $ | 1,346,967 | $ | 1,225,959 | ||||
| Impact of tax positions taken during current year | 333,253 | 319,047 | ||||||
| Gross increase (decrease) related to tax positions of prior years | (40,584 | ) | 17,789 | |||||
| Reduction as a result of a lapse of the applicable statute of limitations | (346,368 | ) | (215,828 | ) | ||||
| Balance, ending | $ | 1,293,268 | $ | 1,346,967 | ||||
| 2017 | 2016 | |||||||
| Deferred tax assets: | ||||||||
| Alternative minimum tax credits | $ | 6,513,502 | $ | 6,513,502 | ||||
| New markets tax credits | 2,164,727 | 1,797,587 | ||||||
| Net unrealized losses on securities available for sale and derivative instruments | 498,860 | 1,470,759 | ||||||
| Compensation | 6,282,603 | 8,737,976 | ||||||
| Loan/lease losses | 8,029,714 | 10,479,227 | ||||||
| Net operating loss carryforwards, federal and state | 959,627 | 1,879,746 | ||||||
| Other | 34,962 | 247,594 | ||||||
24,483,995 | 31,126,391 | |||||||
| Deferred tax liabilities: | ||||||||
| Premises and equipment | 2,400,397 | 4,899,107 | ||||||
| Equipment financing leases | 15,367,705 | 22,050,540 | ||||||
| Acquisition fair value adjustments | 1,864,599 | 1,336,338 | ||||||
| Investment accretion | 30,656 | 46,581 | ||||||
| Deferred loan origination fees, net | 115,153 | 261,915 | ||||||
| Other | 430,125 | 456,219 | ||||||
20,208,635 | 29,050,700 | |||||||
| Net deferred tax assets | $ | 4,275,360 | $ | 2,075,691 | ||||
| 2017 | 2016 | 2015 | ||||||||||
| Provision for income taxes | $ | (6,029,555 | ) | $ | (3,066,407 | ) | $ | (2,004,532 | ) | |||
| Net deferred tax asset acquired | - | (3,310,553 | ) | - | ||||||||
| Net deferred tax asset resulting from market value adjustments of acquisitions | 243,195 | 5,110,015 | - | |||||||||
| Re-measurement of deferred tax asset to incorporate newly enacted tax rates | 2,918,606 | - | - | |||||||||
| Statement of stockholders' equity- Other comprehensive income (loss) | 668,085 | (202,691 | ) | (81,524 | ) | |||||||
| $ | (2,199,669 | ) | $ | (1,469,636 | ) | $ | (2,086,056 | ) | ||||