Note 5 - Loans Receivable, Net (Tables)

12 Months Ended

Dec. 31, 2015

Receivables [Abstract]

Summary of Loans Receivable [Table Text Block]

(Dollars in thousands)	2015			2014
Residential real estate loans:
1-4 family conventional	$	90,587			69,372
1-4 family FHA		206			426
1-4 family VA		152			43
		90,945			69,841
Commercial real estate:
Lodging		27,428			28,466
Retail/office		45,097			40,279
Nursing home/health care		9,183			7,032
Land developments		21,272			17,766
Golf courses		4,163			5,505
Restaurant/bar/café		5,854			3,370
Alternative fuel plants		2,205			5,377
Warehouse		18,337			10,137
Construction:
1-4 family builder		15,152			6,454
Multi-family		18,865			1,062
Commercial real estate		4,086			5,087
Manufacturing		11,585			8,022
Churches/community service		8,195			8,385
Multi-family		12,324			15,700
Other		43,607			29,026
		247,353			191,668
Consumer:
Autos		2,885			1,124
Home equity line		38,980			36,832
Home equity		14,782			12,420
Other – secured		2,031			1,559
Recreational vehicles		2,650			0
Land/lots		1,144			1,670
Other – unsecured		1,943			1,320
		64,415			54,925
Commercial business		70,106			57,122
Total loans		472,819			373,556
Less:
Unamortized discounts		16			14
Net deferred loan (costs) fees		(91	)		97
Allowance for loan losses		9,709			8,332
Total loans receivable, net	$	463,185			365,113
Commitments to originate or purchase loans	$	27,184			29,635
Commitments to deliver loans to secondary market	$	8,071			3,279
Weighted average contractual rate of loans in portfolio		4.54	%		4.52	%

Schedule of Loans and Lease Receivable Single Family and Multi Family Residential Loans by Location [Table Text Block]

	2015					2014
(Dollars in thousands)	Amount		Percent of Total			Amount		Percent of Total
Iowa	$	5,387		5.9	%	$	3,145		4.5	%
Minnesota		75,417		82.9			62,219		89.1
Wisconsin		7,956		8.8			3,160		4.5
Other states		2,185		2.4			1,317		1.9
Total	$	90,945		100.0	%	$	69,841		100.0	%

Schedule of Loans and Lease Receivables Gross Carrying Amount Commercial Real Estate by Location [Table Text Block]

	2015					2014
(Dollars in thousands)	Amount		Percent of Total			Amount		Percent of Total
Alabama	$	2,056		0.8	%	$	2,202		1.2	%
Florida		3,738		1.5			2,253		1.2
Idaho		3,678		1.5			3,810		2.0
Indiana		4,608		1.9			3,501		1.8
Iowa		1,106		0.4			0		0.0
Michigan		0		0.0			2,558		1.3
Minnesota		184,670		74.7			145,341		75.8
North Carolina		4,203		1.7			5,598		2.9
North Dakota		7,979		3.2			1,572		0.8
Wisconsin		31,918		12.9			22,354		11.7
Other states		3,397		1.4			2,479		1.3
Total	$	247,353		100.0	%	$	191,668		100.0	%