Note 6 - Employee Stock Ownership Plan (Details Textual) - USD ($)		9 Months Ended
	Oct. 11, 2016	Sep. 30, 2016	Dec. 31, 2015	Jul. 11, 2005
Subsequent Event [Member] | Bank [Member]
Stock Issued During Period, Shares, Employee Stock Ownership Plan	190,716
Subsequent Event [Member]
Loan To Employee Stock Ownership Plan	$ 1,900,000
Share Price	$ 10
Mezzanine Capital [Member]
Employee Stock Ownership Plan (ESOP), Number of Allocated Shares		41,283
Fair Value Per Share		$ 13.60
Loan To Employee Stock Ownership Plan				$ 763,140
Employee Stock Ownership Plan (ESOP), Shares in ESOP		57,817	57,817	76,314
Share Price				$ 10
Employee Stock Ownership Plan E S O P Interest And Principal Payments From E S O P		$ 77,000
Employee Stock Ownership Plan (ESOP), Number of Allocated Shares		59,780	55,964