Note 15 - Fair Value Measurements and Fair Values of Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2015

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

(dollars in thousands)	Total		(Level 1) Quoted Prices in Active Markets for Identical Assets		(Level 2) Significant Other Observable Inputs		(Level 3) Significant Unobservable Inputs
December 31, 2015
Collateralized mortgage obligations	$	178,145	$	-	$	178,145	$	-
Agency mortgage-backed securities		10,171		-		10,171		-
Municipal securities		23,344		-		23,344		-
Corporate bonds		54,129		-		51,295		2,834
Asset-backed securities		17,005		-		17,005		-
Trust Preferred Securities		1,883		-		-		1,883
Other securities		118		-		118		-
Securities Available for Sale	$	284,795	$	-	$	280,078	$	4,717
SBA Servicing Assets	$	4,886					$	4,886
December 31, 2014
Collateralized mortgage obligations	$	99,222	$	-	$	99,222	$	-
Agency mortgage-backed securities		13,802		-		13,802		-
Municipal securities		16,107		-		16,107		-
Corporate bonds		34,427		-		31,422		3,005
Asset-backed securities		18,505		-		18,505		-
Trust Preferred Securities		3,193		-		-		3,193
Other securities		123		-		123		-
Securities Available for Sale	$	185,379	$	-	$	179,181	$	6,198
SBA Servicing Assets	$	4,099					$	4,099

Schedule of Servicing Assets at Fair Value [Table Text Block]

(dollars in thousands)	2015			2014			2013
Beginning balance, January 1st	$	4,099		$	3,477		$	2,340
Additions		801			1,277			1,349
Fair value adjustments		(14	)		(655	)		(212	)
Ending balance, December 31st	$	4,886		$	4,099		$	3,477

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

	Year Ended December 31, 2015						Year Ended December 31, 2014						Year Ended December 31, 2013
Level 3 Investments Only (dollars in thousands)	Trust Preferred Securities			Corporate Bonds			Trust Preferred Securities			Corporate Bonds			Trust Preferred Securities			Corporate Bonds
Balance, January 1,	$	3,193		$	3,005		$	2,850		$	3,006		$	3,187		$	3,007
Security transferred to Level 3 measurement		-			-			-			-			-			-
Unrealized gains (losses)		882			(171	)		360			(1	)		171			(1	)
Paydowns		(19	)		-			(10	)		-			(508	)		-
Proceeds from sales		(1,952	)		-			-			-			-			-
Realized losses		(218	)		-			-			-			-			-
Impairment charges on Level 3		(3	)		-			(7	)		-			-			-
Balance, December 31,	$	1,883		$	2,834		$	3,193		$	3,005		$	2,850		$	3,006

Fair Value Measurements, Nonrecurring [Table Text Block]

(dollars in thousands)	Total		(Level 1) Quoted Prices in Active Markets for Identical Assets		(Level 2) Significant Other Observable Inputs		(Level 3) Significant Unobservable Inputs
December 31, 2015:
Impaired loans	$	5,734	$	-	$	-	$	5,734
Other real estate owned		10,034		-		-		10,034
December 31, 2014:
Impaired loans	$	15,838	$	-	$	-	$	15,838
Other real estate owned		2,135		-		-		2,135

Fair Value Inputs, Assets, Quantitative Information [Table Text Block]

	Quantitative Information about Level 3 Fair Value Measurements
Asset Description	Fair Value		Valuation Technique	Unobservable Input	Range Weighted Average
December 31, 2015:
Corporate bonds	$	2,834	Discounted Cash Flows	Discount Rate		(4.11%)
Trust preferred securities	$	1,883	Discounted Cash Flows	Discount Rate	7.31%	-	7.81%	(7.77%)
				Conditional Prepayment Rate		(6.27%)
SBA servicing assets	$	4,886	Discounted Cash Flows	Discount Rate		(10.00%)
Impaired loans	$	5,734	Appraised Valueof Collateral (1)	Liquidation expenses (2)	12%	-	78%	(20%)	(3)
Other real estate owned	$	10,034	Appraised Value of Collateral (1)	Liquidation expenses (2)	6%	-	30%	(10%)	(3)
				Appraisal adjustment (2)		(50%)
			Sales Price	Liquidation expenses (2)	7%	-	9%	(9%)	(3)
December 31, 2014:
Corporate bonds	$	3,005	Discounted Cash Flows	Discount Rate		(3.48%)
Trust preferred securities	$	3,193	Discounted Cash Flows	Discount Rate	4.34%	-	9.25%	(9.19%)
				Conditional Prepayment Rate		(7.45%)
SBA servicing assets	$	4,099	Discounted Cash Flows	Discount Rate		(12.48%)
Impaired loans	$	15,838	Appraised Value of Collateral (1)	Liquidation expenses (2)	0%	-	78%	(24%)	(3)
Other real estate owned	$	2,135	Appraised Value of Collateral (1)	Liquidation expenses (2)	4%	-	31%	(16%)	(3)
				Appraisal adjustment (2)	20%	-	40%	(32%)
			Sales Price	Liquidation expenses (2)		(12%)			(3)

Schedule of Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets [Table Text Block]

(dollars in thousands)	December 31, 2015			December 31, 2014
SBA Servicing Asset
Fair Value of SBA Servicing Asset	$	4,886		$	4,099
Composition of SBA Loans Serviced for Others
Fixed-rate SBA loans		0	%		0	%
Adjustable-rate SBA loans		100	%		100	%
Total		100	%		100	%
Weighted Average Remaining Term (years)		20.9			21.2
Prepayment Speed		6.27	%		7.45	%
Effect on fair value of a 10% increase	$	(151	)	$	(116	)
Effect on fair value of a 20% increase		(296	)		(226	)
Weighted Average Discount Rate		10.00	%		12.48	%
Effect on fair value of a 10% increase	$	(206	)	$	(195	)
Effect on fair value of a 20% increase		(397	)		(378	)

Fair Value, by Balance Sheet Grouping [Table Text Block]

	Fair Value Measurements at December 31, 2015
(dollars in thousands)	Carrying Amount		Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Balance Sheet Data
Financial assets:
Cash and cash equivalents	$	27,139	$	27,139	$	27,139	$	-	$	-
Investment securities available for sale		284,795		284,795		-		280,078		4,717
Investment securities held to maturity		172,277		171,845		-		171,845		-
Restricted stock		3,059		3,059		-		3,059		-
Loans held for sale		3,653		3,831		-		-		3,831
Loans receivable, net		866,066		849,578		-		-		849,578
SBA servicing assets		4,886		4,886		-		-		4,886
Accrued interest receivable		4,216		4,216		-		4,216		-
Financial liabilities:
Deposits
Demand, savings and money market	$	1,181,720	$	1,181,720	$	-	$	1,181,720	$	-
Time		67,578		67,422		-		67,422		-
Short-term borrowings		47,000		47,000		-		47,000		-
Subordinated debt		22,476		18,972		-		-		18,972
Accrued interest payable		245		245		-		245		-
Off-Balance Sheet Data
Commitments to extend credit		-		-
Standby letters-of-credit		-		-

	Fair Value Measurements at December 31, 2014
(dollars in thousands)	Carrying Amount		Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Balance Sheet Data
Financial assets:
Cash and cash equivalents	$	128,826	$	128,826	$	128,826	$	-	$	-
Investment securities available for sale		185,379		185,379		-		179,181		6,198
Investment securities held to maturity		67,866		68,253		-		68,253		-
Restricted stock		1,157		1,157		-		1,157		-
Loans held for sale		1,676		1,699		-		-		1,699
Loans receivable, net		770,404		760,163		-		-		760,163
SBA servicing assets		4,099		4,099		-		-		4,099
Accrued interest receivable		3,226		3,226		-		3,226		-
Financial liabilities:
Deposits
Demand, savings and money market	$	996,861	$	996,861	$	-	$	996,861	$	-
Time		75,369		75,592		-		75,592		-
Subordinated debt		22,476		18,221		-		-		18,221
Accrued interest payable		265		265		-		265		-
Off-Balance Sheet Data
Commitments to extend credit		-		-
Standby letters-of-credit		-		-