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Note 16 - Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2024

Notes Tables

Stock-based compensation expense

​

​	​	​	​	​	​	​	​	​	​
​		2024			2023			2022
​	​	(dollars in thousands)
​	​	​	​	​	​	​	​	​	​
Stock options	​	$	358	​	$	286	​	$	246
Restricted stock awards	​	​	2,128	​	​	2,084	​	​	1,967
Stock purchase plan	​		339	​		308	​		225
​	​	$	2,825	​	$	2,678	​	$	2,438
​	​	​	​	​	​	​	​	​	​

Summary of the stock option plans

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

December 31,

​

​

2024

​

2023

​

2022

​

​

​

​

​

Weighted

​

​

​

​

Weighted

​

​

​

​

Weighted

​

​

​

​

​

Average

​

​

​

​

Average

​

​

​

​

Average

​

​

​

​

​

Exercise

​

​

​

​

Exercise

​

​

​

​

Exercise

​

Shares

Price

Shares

Price

Shares

Price

Outstanding, beginning

​

​

290,149

​

$

32.11

​

​

346,678

​

$

27.60

​

​

367,998

​

$

24.46

Granted

​

29,900

​

56.79

​

25,000

​

53.31

​

22,400

​

53.87

Exercised

​

(95,724)

​

22.05

​

(81,354)

​

19.45

​

(41,695)

​

14.07

Forfeited

​

(3,479)

​

39.01

​

(175)

​

15.65

​

(2,025)

​

26.72

Outstanding, ending

​

220,846

​

39.70

​

290,149

​

32.11

​

346,678

​

27.60

​

​

​

​

​

​

​

Exercisable, ending

​

158,911

​

​

233,967

​

​

295,077

​

​

​

​

​

​

​

​

Weighted average fair value per option granted

​

$

18.61

​

​

$

16.36

​

​

$

13.97

​

Summary of options outstanding

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Options Outstanding

​

​

​

​

​

​

​

​

​

Weighted

​

​

​

​

Options Exercisable

​

​

​

​

Average

​

Weighted

​

​

​

Weighted

​

​

​

​

Remaining

​

Average

​

​

​

Average

Range of

​

Number

​

Contractual

​

Exercise

​

Number

​

Exercise

Exercise Prices

Outstanding

Life

Price

Exercisable

Price

$17.49 to $17.86

​

23,869

​

0.09

​

$

17.49

​

23,869

​

$

17.49

$21.71 to $22.64

44,123

1.09

​

22.64

44,123

​

22.64

$29.77 to $36.00

12,875

4.17

​

36.00

12,875

​

36.00

$40.00 to $41.95

13,602

5.17

​

40.00

13,602

​

40.00

$42.65 to $48.50

53,428

3.78

​

43.85

48,506

​

43.88

$53.31 to $56.79

72,949

8.29

​

54.85

15,936

​

53.70

​

220,846

​

158,911

​

​

​

​

​

​

​

​

​

​

​

Summary of changes in nonvested restricted stock awards

​

​	​	​	​	​	​	​	​	​	​
​	​	December 31,
​		2024			2023			2022
Outstanding, beginning	​	​	88,178	​	​	84,115	​	​	97,107
Granted*	​		28,211	​		51,157	​		35,525
Released	​		(43,468)	​		(43,331)	​		(47,766)
Forfeited	​		(5,297)	​		(3,763)	​		(751)
Outstanding, ending	​	​	67,624	​	​	88,178	​	​	84,115
​	​	​	​	​	​	​	​	​	​
Weighted average fair value per share granted	​	$	58.01	​	$	51.64	​	$	54.20
​	​	​	​	​	​	​	​	​	​

​

*  At December 31, 2024, includes 1,500 shares of restricted stock and 64,620 restricted stock units.

At December 31, 2023, includes 4,500 shares of restricted stock and 80,820 restricted stock units.

At December 31, 2022, includes 8,527 shares of restricted stock and 64,494 restricted stock units.

​

Schedule of Stock purchase plan

​

​	​	​	​	​	​	​	​	​	​
​		2024			2023			2022
Shares granted		​	28,746		​	36,964		​	28,421
Shares purchased		​	31,069		​	35,058		​	27,103
Weighted average fair value per share granted	​	$	11.85	​	$	8.35	​	$	7.88

​

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