Note 15 - Regulatory Capital Requirements (Tables)

12 Months Ended

Dec. 31, 2015

Disclosure Text Block [Abstract]

Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block]

						Minimum for Capital					Minimum to be
	Actual					Adequacy Purposes					Well Capitalized
	Amount		Ratio			Amount		Ratio			Amount		Ratio
	(Dollars in thousands)
December 31, 2015:
Total Capital (to Risk Weighted Assets)	$	88,074		13.29	%	$	53,002		8.00	%	$	66,253		10.00	%
Tier 1 Capital (to Risk Weighted Assets)		79,871		12.06	%		39,752		6.00	%		53,002		8.00	%
Common Tier 1 Capital (to Risk Weighted Assets)		79,871		12.06	%		29,814		4.50	%		43,064		6.50	%
Tier 1 Capital (to Average Assets)		79,871		8.67	%		36,848		4.00	%		46,060		5.00	%
December 31, 2014:
Total Capital (to Risk Weighted Assets)	$	82,670		14.60	%	$	45,394		8.00	%	$	56,743		10.00	%
Tier 1 Capital (to Risk Weighted Assets)		75,568		13.30	%		22,697		4.00	%		34,046		6.00	%
Tier 1 Capital (to Average Assets)		75,568		9.70	%		31,748		4.00	%		39,685		5.00	%