Note 3 - Trading Account Assets (Tables)

3 Months Ended

Mar. 31, 2015

Note 3 - Trading Account Assets (Tables) [Line Items]

Trading Securities [Table Text Block]

	March 31,		December 31,
	2015		2014
Municipal bonds	$	8,020	$	4,116
Insured bank deposits		2,094		1,397
Total trading account assets	$	10,114	$	5,513

Gain (Loss) on Investments [Table Text Block]

	For the three months ended March 31,
	2015		2014
Realized gains, net	$	47	$	178
Unrealized gains (losses), net due to the change in fair value relative to assets held at end of period		58		(7	)
Total trading account income, net	$	105	$	171

Schedule of Available-for-sale Securities Reconciliation [Table Text Block]

	March 31, 2015
	Amortized cost		Gross unrealized gains		Gross unrealized losses			Fair value
U.S. agency	$	3,167	$	68	$	-		$	3,235
State and municipal		7,802		94		(26	)		7,870
Collateralized mortgage obligations (federal agencies)		88,901		497		(711	)		88,687
Other mortgage-backed (federal agencies)		78,626		702		(360	)		78,968
SBA loan-backed (federal agency)		33,041		232		(65	)		33,208
Total investment securities available for sale	$	211,537	$	1,593	$	(1,162	)	$	211,968

	December 31, 2014
	Amortized cost		Gross unrealized gains		Gross unrealized losses			Fair value
U.S. agency	$	3,930	$	35	$	-		$	3,965
State and municipal		6,665		84		(17	)		6,732
Collateralized mortgage obligations (federal agencies)		89,311		13		(1,550	)		87,774
Other mortgage-backed (federal agencies)		78,532		411		(440	)		78,503
SBA loan-backed (federal agency)		34,394		210		(67	)		34,537
Total investment securities available for sale	$	212,832	$	753	$	(2,074	)	$	211,511

Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Table Text Block]

	March 31, 2015
	Less than 12 months						12 months or longer						Total
	#		Fair value		Gross unrealized losses		#		Fair value		Gross unrealized losses		#		Fair value		Gross unrealized losses
State and municipal		4	$	2,789	$	26		-	$	-	$	-		4	$	2,789	$	26
Collateralized mortgage obligations (federal agencies)		5		5,001		52		7		34,788		659		12		39,789		711
Other mortgage-backed (federal agencies)		6		10,981		105		12		19,490		255		18		30,471		360
SBA loan-backed (federal agency)		3		5,835		12		5		10,364		53		8		16,199		65
Total		18	$	24,606	$	195		24	$	64,642	$	967		42	$	89,248	$	1,162

	December 31, 2014
	Less than 12 months						12 months or longer						Total
	#		Fair value		Gross unrealized losses		#		Fair value		Gross unrealized losses		#		Fair value		Gross unrealized losses
State and municipal		3	$	1,641	$	7		1	$	1,062	$	10		4	$	2,703	$	17
Collateralized mortgage obligations (federal agencies)		11		32,532		192		10		52,924		1,358		21		85,456		1,550
Other mortgage-backed (federal agencies)		10		14,889		119		10		18,979		321		20		33,868		440
SBA loan-backed (federal agency)		3		3,122		10		6		14,850		57		9		17,972		67
Total		27	$	52,184	$	328		27	$	87,815	$	1,746		54	$	139,999	$	2,074

Available-for-sale Securities, Credit Rating by Moody's [Table Text Block]

	Moody's Ratings
Aaa		6	%
Aa1 - Aa3		48
A1		3
Not rated		43
Total		100	%

	Standard and Poor's Ratings
AAA		14	%
AA+ - AA-		48
A+		2
Not rated		36
Total		100	%

Investments Classified by Contractual Maturity Date [Table Text Block]

	Amortized cost		Fair value
Due in one year or less	$	-	$	-
Due after one year through five years		2,015		2,039
Due after five years through ten years		1,152		1,196
Due after ten years		-		-
U.S. agency		3,167		3,235
Due in one year or less		1,548		1,552
Due after one year through five years		2,039		2,112
Due after five years through ten years		4,215		4,206
Due after ten years		-		-
State and municipal		7,802		7,870
Due in one year or less		300		300
Due after one year through five years		14,408		14,307
Due after five years through ten years		74,193		74,080
Due after ten years		-		-
Collateralized mortgage obligations (federal agencies)		88,901		88,687
Due in one year or less		-		-
Due after one year through five years		39,524		39,934
Due after five years through ten years		19,866		19,829
Due after ten years		19,236		19,205
Other mortgage-backed (federal agencies)		78,626		78,968
Due in one year or less		-		-
Due after one year through five years		17,774		17,817
Due after five years through ten years		7,552		7,543
Due after ten years		7,715		7,848
SBA loan-backed (federal agency)		33,041		33,208
Due in one year or less		1,848		1,852
Due after one year through five years		75,760		76,209
Due after five years through ten years		106,978		106,854
Due after ten years		26,951		27,053
Total investment securities available for sale	$	211,537	$	211,968

Schedule of Financial Instruments Owned and Pledged as Collateral [Table Text Block]

	March 31,		December 31,
	2015		2014
Municipal and other secured deposits	$	85,252	$	84,255
Retail repurchase agreements		25,701		36,629
Federal Reserve line of credit		1,339		1,352
Correspondent bank lines of credit		11,059		10,959
Total investment securities available for sale pledged	$	123,351	$	133,195

Comprehensive Income (Loss) [Table Text Block]

	For the three months ended March 31,
	2015		2014
Realized gains	$	29	$	125
Realized losses		-		(40	)
Total investment securities gains, net	$	29	$	85

Trading, Municipal Bonds [Member]

Note 3 - Trading Account Assets (Tables) [Line Items]

Financing Receivable Credit Quality Indicators [Table Text Block]

	Moody's Ratings
Aaa		11	%
Aa1 - Aa3		52
A1 - A3		20
Not rated		17
Total		100	%

	Standard and Poor's Ratings
AAA		12	%
AA+ - AA-		61
A+ - A-		14
Not rated		13
Total		100	%