CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Cash flows from operating activities
Net income	$ 10,488,765	$ 7,336,572
Adjustments to reconcile net income to net cash and cash equivalents provided by operating activities:
Provision for loan losses	1,047,179	989,231
Depreciation and amortization of premises and equipment	762,383	766,848
Amortization of net premiums on securities	183,039	222,861
Stock-based compensation	606,472	431,494
Gain on sales of loans	(3,852,087)	(3,536,854)
Earnings on company owned life insurance	(231,368)	(242,212)
Origination of loans held for sale	(51,051,482)	(61,106,203)
Proceeds from sales of loans held for sale	65,768,831	51,990,640
Amortization of servicing assets	1,294,504	1,231,322
Net change in:
Accrued interest receivable	(319,016)	(180,605)
Other assets	(3,275,651)	(3,055,779)
Accrued interest payable	772,579	55,659
Other liabilities	1,176,885	1,837,724
Net cash from operating activities	23,371,033	(3,259,302)
Cash flows from investing activities
Net change in loans receivable	(102,630,245)	(61,821,147)
Proceeds from calls of securities available for sale	4,845,487	4,526,271
Purchase of premises and equipment, net	(1,039,070)	(141,546)
Purchase of securities available for sale	(13,262,365)	(12,698,593)
Purchase of other investments	(415,882)	(848,900)
Net cash from investing activities	(112,502,075)	(70,983,915)
Cash flows from financing activities
Net change in deposits	123,584,687	92,748,774
Cash received from stock option exercises	514,050	329,550
Repayment of Federal Home Loan Bank advances	(25,000,000)
Issuance of common stock, net of expenses	22,569,090	15,000,000
Net cash from financing activities	121,667,827	108,078,324
Net change in cash and cash equivalents	32,536,785	33,835,107
Cash and cash equivalents at beginning of period	63,249,952	20,126,028
Cash and cash equivalents at end of period	95,786,737	53,961,135
Supplemental cash flow information
Income taxes	5,379,453	5,855,000
Interest	5,444,158	$ 3,141,069
Supplemental noncash disclosure:
Transfer from securities available for sale to other investments	$ 2,485,680