Note 13 - Condensed Financial Statements of Parent Company (Tables)

12 Months Ended

Dec. 31, 2015

Condensed Financial Information of Parent Company Only Disclosure [Abstract]

Condensed Balance Sheet [Table Text Block]

	December 31,
	2015		2014
Assets
Cash due from subsidiaries	$	19	$	10
Interest-bearing deposits		170		477
Securities available for sale		127		127
Securities held to maturity (fair value approximates $449 at December 31, 2015 and $450 at December 31, 2014)		451		452
Investments in subsidiaries, at equity		172,017		165,647
Other assets		56		188
Total assets	$	172,840	$	166,901
Liabilities and Stockholders’ Equity
Other liabilities	$	726	$	598
Stockholders’ equity		172,114		166,303
Total liabilities and stockholders’ equity	$	172,840	$	166,901

Condensed Income Statement [Table Text Block]

Condensed Statements of Income	Years Ended December 31,
	2015		2014		2013
Income
Dividends from subsidiaries	$	7,930	$	7,853	$	7,882
Interest on securities – taxable		3		2		2
Interest on securities – nontaxable		---		1		19
Realized securities losses, net		---		---		(94	)
Other income		1,208		1,250		1,219
	$	9,141	$	9,106	$	9,028
Expenses
Other expenses	$	2,051	$	2,046	$	1,943
Income before income tax benefit and equity in undistributed net income of subsidiaries		7,090		7,060		7,085
Applicable income tax benefit		210		136		160
Income before equity in undistributed net income of subsidiaries		7,300		7,196		7,245
Equity in undistributed net income of subsidiaries		8,533		9,718		10,545
Net income	$	15,833	$	16,914	$	17,790

Condensed Cash Flow Statement [Table Text Block]

Condensed Statements of Cash Flows	Years ended December 31,
	2015			2014			2013
Cash Flows from Operating Expenses
Net income	$	15,833		$	16,914		$	17,790
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in undistributed net income of subsidiaries		(8,533	)		(9,718	)		(10,545	)
Amortization of premiums and accretion of discounts, net		1			1			---
Depreciation expense		3			9			17
Losses on disposal of fixed assets		2			94			---
Net change in refundable income taxes due from subsidiaries		106			96			77
Net change in other assets		(81	)		(63	)		3
Net change in other liabilities		128			(33	)		20
Losses on securities		---			---			94
Net cash provided by operating activities		7,459			7,300			7,456
Cash Flows from Investing Activities
Net change in interest-bearing deposits		307			213			(2	)
Purchases of securities available for sale		---			---			(612	)
Purchases of securities held to maturity		---			(453	)		---
Maturities and calls of securities available for sale		---			455			945
Proceeds from sale of premises and equipment		---			263			---
Net cash provided by investing activities		307			478			331
Cash Flows from Financing Activities
Cash dividends paid		(7,930	)		(7,853	)		(7,781	)
Exercise of stock options		173			58			---
Net cash used in financing activities		(7,757	)		(7,795	)		(7,781	)
Net change in cash		9			17			6
Cash due from subsidiaries at beginning of year		10			27			21
Cash due from subsidiaries at end of year	$	19		$	10		$	27