Note 16 - Business Segments - Profit and Assets for the Reportable Segments (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Home Federal Savings Bank [Member] | Operating Segments [Member]
Interest income - external customers		$ 5,070,000	$ 13,684,000	$ 9,954,000
Non-interest income - external customers	$ 2,102,000	1,867,000	3,857,000	3,461,000
Intersegment non-interest income	52,000	51,000	105,000	102,000
Interest expense	247,000	227,000	473,000	476,000
Other non-interest expense	5,900,000	5,751,000	11,461,000	11,054,000
Income tax expense	1,110,000	473,000	2,419,000	860,000
Net income	1,675,000	720,000	3,644,000	1,311,000
Total assets	652,352,000	562,957,000	652,352,000	562,957,000
Intersegment interest income		0		0
Non-interest expense	5,900,000	5,751,000	11,461,000	11,054,000
Intersegment interest income		0		0
Other Segments [Member] | Operating Segments [Member]
Interest income - external customers		0	0	0
Non-interest income - external customers	0	0	0	0
Intersegment non-interest income	1,675,000	720,000	3,644,000	1,311,000
Interest expense	148,000	165,000	296,000	242,000
Other non-interest expense	185,000	100,000	368,000	279,000
Income tax expense	(136,000)	(129,000)	(272,000)	(256,000)
Net income	1,478,000	585,000	3,252,000	1,046,000
Total assets	82,368,000	77,331,000	82,368,000	77,331,000
Intersegment interest income		1,000		1,000
Non-interest expense	185,000	100,000	368,000	279,000
Intersegment interest income		1,000		1,000
Consolidation, Eliminations [Member]
Interest income - external customers		0	0	0
Non-interest income - external customers	0	0	0	0
Intersegment non-interest income	(1,727,000)	(771,000)	(3,749,000)	(1,413,000)
Interest expense	0	(1,000)	0	(1,000)
Other non-interest expense	(52,000)	(51,000)	(105,000)	(102,000)
Income tax expense	0	0	0	0
Net income	(1,675,000)	(720,000)	(3,644,000)	(1,311,000)
Total assets	(81,335,000)	(76,287,000)	(81,335,000)	(76,287,000)
Intersegment interest income		(1,000)		(1,000)
Non-interest expense	(52,000)	(51,000)	(105,000)	(102,000)
Intersegment interest income		(1,000)		(1,000)
Interest income - external customers	7,159,000	5,070,000	13,684,000	9,954,000
Non-interest income - external customers	2,102,000	1,867,000	3,857,000	3,461,000
Intersegment non-interest income	0	0	0	0
Interest expense	395,000	391,000	769,000	717,000
Other non-interest expense	6,033,000	5,800,000	11,724,000	11,231,000
Income tax expense	974,000	344,000	2,147,000	604,000
Net income	1,478,000	585,000	3,252,000	1,046,000
Total assets	653,385,000	564,001,000	653,385,000	564,001,000
Intersegment interest income		0		0
Non-interest expense	$ 6,033,000	5,800,000	$ 11,724,000	11,231,000
Intersegment interest income		$ 0		$ 0