(Dollars in thousands, except per share amounts)

Three months ended

September 30,

Nine months ended

September 30,

2020

2019

2020

2019

Net earnings

$

5,427

$

2,613

$

13,890

$

7,394

Weighted average common shares outstanding - basic (1)

4,504,953

4,593,061

4,526,769

4,591,510

Assumed exercise of stock options (1)

17,037

15,670

17,868

15,229

Weighted average common shares outstanding - diluted (1)

4,521,990

4,608,731

4,544,637

4,606,739

Net earnings per share (1):

Basic

$

1.21

$

0.57

$

3.07

$

1.61

Diluted

$

1.20

$

0.57

$

3.06

$

1.61