Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts.

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Note 3 - Loans Held for Investment, Net - Allowance for Loan Losses and Recorded Investment in Loans (Details) - USD ($)	3 Months Ended				6 Months Ended
	Jun. 30, 2018	Mar. 31, 2018	Jun. 30, 2017	Mar. 31, 2017	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Dec. 31, 2017
Allowance for loan losses
Ending balance: individually evaluated for impairment							$ 215,000	$ 0
Ending balance: collectively evaluated for impairment							2,984,420	3,117,190
Total, allowance for loan losses	$ 3,199,420	$ 3,117,190	$ 2,763,483	$ 2,506,033	$ 3,199,420	$ 2,506,033	3,199,420	3,117,190
Gross loans
Ending balance: individually evaluated for impairment, gross loans							5,585,526	5,436,972
Ending balance: collectively evaluated for impairment, gross loans							275,275,313	256,585,536
Total, gross loans							280,860,839	262,022,508
Balance	3,122,170	3,117,190	2,763,483	2,506,033	3,117,190	2,506,033
Provision for loan losses	71,000	22,000	150,000	250,000	93,000	400,000
Charge-offs		(23,269)
Recoveries	6,250	6,249	6,250	7,450
Net recoveries (charge-offs)	6,250	(17,020)	6,250	7,450
Balance	3,199,420	3,122,170	2,919,733	2,763,483	3,199,420	2,919,733
Commercial Real Estate Portfolio Segment [Member]
Allowance for loan losses
Ending balance: individually evaluated for impairment							215,000	0
Ending balance: collectively evaluated for impairment							1,928,311	2,055,911
Total, allowance for loan losses	2,143,311	2,055,911	1,809,806	1,688,448	2,143,311	1,688,448	2,143,311	2,055,911
Gross loans
Ending balance: individually evaluated for impairment, gross loans							3,621,812	3,483,078
Ending balance: collectively evaluated for impairment, gross loans							228,361,620	211,388,710
Total, gross loans							231,983,432	214,871,788
Balance	2,066,285	2,055,911	1,809,806	1,688,448	2,055,911	1,688,448
Provision for loan losses	77,026	10,374	74,443	120,158
Recoveries				1,200
Net recoveries (charge-offs)				1,200
Balance	2,143,311	2,066,285	1,884,249	1,809,806	2,143,311	1,884,249
One-to-four Family Residential Real Estate Portfolio Segment [Member]
Allowance for loan losses
Ending balance: individually evaluated for impairment							0	0
Ending balance: collectively evaluated for impairment							487,380	567,290
Total, allowance for loan losses	487,380	567,290	627,650	617,912	487,380	617,912	487,380	567,290
Gross loans
Ending balance: individually evaluated for impairment, gross loans							689,004	679,184
Ending balance: collectively evaluated for impairment, gross loans							28,243,953	28,434,876
Total, gross loans							28,932,957	29,114,060
Balance	503,295	567,290	627,650	617,912	567,290	617,912
Provision for loan losses	(22,165)	(46,975)	(34,305)	3,488
Charge-offs		(23,269)
Recoveries	6,250	6,249	6,250	6,250
Net recoveries (charge-offs)	6,250	(17,020)	6,250	6,250
Balance	487,380	503,295	599,595	627,650	487,380	599,595
Commercial and Industrial Portfolio Segment [Member]
Allowance for loan losses
Ending balance: individually evaluated for impairment							0	0
Ending balance: collectively evaluated for impairment							527,445	462,406
Total, allowance for loan losses	527,445	462,406	299,768	147,371	527,445	147,371	527,445	462,406
Gross loans
Ending balance: individually evaluated for impairment, gross loans							1,274,710	1,274,710
Ending balance: collectively evaluated for impairment, gross loans							11,623,153	11,021,598
Total, gross loans							12,897,863	12,296,308
Balance	514,307	462,406	299,768	147,371	462,406	147,371
Provision for loan losses	13,138	51,901	109,100	152,397
Charge-offs
Recoveries
Net recoveries (charge-offs)
Balance	527,445	514,307	408,868	299,768	527,445	408,868
Consumer and Other Portfolio Segment [Member]
Allowance for loan losses
Ending balance: individually evaluated for impairment							0	0
Ending balance: collectively evaluated for impairment							41,284	31,583
Total, allowance for loan losses	41,284	31,583	26,259	52,302	41,284	52,302	41,284	31,583
Gross loans
Ending balance: individually evaluated for impairment, gross loans							0
Ending balance: collectively evaluated for impairment, gross loans							7,046,587	5,740,352
Total, gross loans							$ 7,046,587	$ 5,740,352
Balance	38,283	31,583	26,259	52,302	31,583	52,302
Provision for loan losses	3,001	6,700	762	(26,043)
Net recoveries (charge-offs)
Balance	$ 41,284	$ 38,283	$ 27,021	$ 26,259	$ 41,284	$ 27,021