Note 9 - Stock-based Compensation (Tables)

6 Months Ended

Jun. 30, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Share-based Compensation, Activity [Table Text Block]

	2014					2013					2012
				Weighted					Weighted					Weighted
				Average					Average					Average
	Shares			Fair Value		Shares			Fair Value		Shares			Fair Value
Nonvested at beginning of year		63,800		$	14.30		66,100		$	14.30		38,650		$	6.20
Granted		0		NA			0		NA			66,100			14.30
Vested		(63,300	)		14.30		0		NA			(38,266	)		6.20
Forfeited		(500	)		14.30		(2,300	)		14.30		(384	)		6.20
Nonvested at end of period		0		$	NA		63,800		$	14.30		66,100		$	14.30

	2014					2013					2012
				Weighted					Weighted					Weighted
				Average					Average					Average
				Exercise					Exercise					Exercise
	Shares			Price		Shares			Price		Shares			Price
Outstanding at beginning of year		60,876		$	33.11		152,896		$	26.15		214,903		$	22.40
Granted		0		NA			0		NA			0		NA
Exercised		(2,845	)		17.74		(51,055	)		13.72		(50,930	)		10.83
Forfeited or expired		(1,141	)		37.55		(40,965	)		31.30		(11,077	)		23.77
Outstanding at end of period		56,890		$	33.79		60,876		$	33.11		152,896		$	26.15
Options exercisable at period-end		56,890		$	33.79		60,876		$	33.11		152,896		$	26.15

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

					Outstanding					Exercisable
							Weighted Average	Weighted				Weighted
Range of							Remaining	Average				Average
Exercise							Contractual	Exercise				Exercise
Prices					Number		Life (years)	Price		Number		Price
	$6.21	-	$	8.00		2,700	1.4	$	6.21		2,700	$	6.21
	$32.01	-	$	36.00		51,300	0.9		34.87		51,300		34.87
	$40.01	-	$	44.00		2,890	0.3		40.28		2,890		40.28
	Outstanding at end of period					56,890	0.9	$	33.79		56,890	$	33.79

					Outstanding					Exercisable
							Weighted Average	Weighted				Weighted
Range of							Remaining	Average				Average
Exercise							Contractual	Exercise				Exercise
Prices					Number		Life (years)	Price		Number		Price
	$4.00	-	$	8.00		78,855	5.4	$	6.54		62,215	$	6.90
	$8.01	-	$	12.00		31,830	5.4		8.60		24,740		8.60
	$12.01	-	$	16.00		46,000	3.4		16.00		46,000		16.00
	$20.01	-	$	24.00		85,962	1.9		22.43		85,962		22.43
	$24.01	-	$	28.00		36,456	0.4		24.46		36,456		24.46
Outstanding at end of period						279,103	3.3	$	15.57		255,373	$	16.44

Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]

	2014		2013		2012
Minimum exercise price	$	6.21	$	6.21	$	6.21
Maximum exercise price		40.28		40.28		40.28
Average remaining option term (years)		0.9		1.4		1.9

	2014		2013		2012
Aggregate intrinsic value of stock options exercised	$	11,000	$	408,000	$	307,000
Cash received from stock option exercises		50,000		289,000		227,000
Tax benefit realized from stock option exercises		0		0		0
Weighted average per share fair value of stock options granted	NA		NA		NA

Minimum exercise price	$	7.80
Maximum exercise price		24.46
Average remaining option term (in years)	3.3

Aggregate intrinsic value of stock options exercised	$	40,000
Cash received from stock option exercises		24,000
Tax benefit realized from stock option exercises		0
Weighted average per share fair value of stock options granted	NA

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

				Weighted
				Average
				Exercise
	Shares			Price
Outstanding at beginning of year		0		$	NA
Granted		0			NA
Assumed as part of merger		282,178			15.48
Exercised		(3,075	)		7.80
Forfeited or expired		0		NA
Outstanding at end of period		279,103		$	15.57
Options exercisable at period-end		255,373		$	16.44