Note 11 - Disclosures about Fair Value of Assets and Liabilities (Tables)

12 Months Ended

Dec. 31, 2015

Fair Value Disclosures [Abstract]

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

As of December 31, 2015
Financial assets:
	Level 1 inputs		Level 2 inputs		Level 3 inputs		Total fair value
Equity securities:
Other	$	99	$	-	$	-	$	99
Debt securities:
U.S. government agencies		-		8,397		-		8,397
Municipals		-		31,349		-		31,349
Corporates		-		3,814		-		3,814
Government sponsored mortgage-backed securities and SBA loan pools		-		53,633		-		53,633
Available-for-sale securities	$	99	$	97,193	$	-	$	97,292

As of December 31, 2014
Financial assets:
	Level 1 inputs		Level 2 inputs		Level 3 inputs		Total fair value
Equity securities:
Other	$	105	$	-	$	-	$	105
Debt securities:
U.S. government agencies		-		10,257		-		10,257
Municipals		-		15,590		-		15,590
Government sponsored mortgage-backed securities and SBA loan pools		-		60,516		-		60,516
Available-for-sale securities	$	105	$	86,363	$	-	$	86,468

Fair Value Measurements, Nonrecurring [Table Text Block]

Impaired loans:
	Level 1 inputs		Level 2 inputs		Level 3 inputs		Total fair value
December 31, 2015	$	-	$	-	$	12,923	$	12,923
December 31, 2014	$	-	$	-	$	4,076	$	4,076
Foreclosed assets held for sale:
	Level 1 inputs		Level 2 inputs		Level 3 inputs		Total fair value
December 31, 2015	$	-	$	-	$	-	$	-
December 31, 2014	$	-	$	-	$	354	$	354

Fair Value Inputs, Assets, Quantitative Information [Table Text Block]

	Fair Value December 31, 2015		Valuation Technique	Unobservable Input	Range (Weighted Average)
Impaired loans (collateral dependent)	$	5,000	Market Comparable	Discount to reflect realizable value	0%	-	23%	(4%)
Impaired loans	$	7,923	Discounted Cash flow	Discount rate	0%	-	51%	(4%)
Foreclosed assets held for sale	$	-	Market Comparable	Discount to reflect realizable value			0%

Fair Value, by Balance Sheet Grouping [Table Text Block]

	December 31, 2015						December 31, 2014
	Carrying Amount		Fair Value		Hierarchy Level		Carrying Amount		Fair Value		Hierarchy Level
Financial assets:
Cash and cash equivalents	$	18,774,419	$	18,774,419		1	$	12,493,890	$	12,493,890		1
Held-to-maturity securities		43,099		43,935		2		60,993		62,619		2
Federal Home Loan Bank stock		2,837,500		2,837,500		2		3,156,900		3,156,900		2
Mortgage loans held for sale		1,902,933		1,902,933		2		1,214,632		1,214,632		2
Loans, net		491,001,907		495,207,798		3		486,586,636		487,244,753		3
Interest receivable		1,986,692		1,986,692		2		2,030,058		2,030,058		2
Financial liabilities:
Deposits		517,385,695		511,225,380		2		479,818,282		476,519,750		2
FHLB and Federal Reserve advances		52,100,000		53,227,960		2		60,350,000		61,615,252		2
Securities sold under agreements to repurchase		-		-		2		10,000,000		10,371,866		2
Subordinated debentures		15,465,000		15,465,000		3		15,465,000		15,465,000		3
Interest payable		196,102		196,102		2		242,145		242,145		2
Unrecognized financial instruments
(net of contractual value):
Commitments to extend credit		-		-		-		-		-		-
Unused lines of credit		-		-		-		-		-		-