Year Ended December 31, 2020

First Quarter

Second Quarter

Third Quarter

Fourth Quarter

(in thousands, except per share amounts)

Net sales

$

53,555

$

30,014

$

64,491

$

75,947

Gross profit

18,512

10,636

21,669

26,978

Operating income (loss)

892

(4,037)

1,555

5,524

Net income (loss)

36

(2,743)

1,183

7,069

Net income (loss) per share:

Basic

$

0.00

$

(0.09)

$

0.04

$

0.23

Diluted

0.00

(0.09)

0.04

0.22

Year Ended December 31, 2019

First Quarter

Second Quarter

Third Quarter

Fourth Quarter

(in thousands, except per share amounts)

Net sales

$

61,218

$

46,994

$

60,203

$

61,022

Gross profit

22,056

15,992

20,557

21,686

Operating income (loss)

4,417

(1,241)

4,077

4,179

Net income (loss)

3,787

(694)

3,492

12,387

Net income (loss) per share:

Basic

$

0.13

$

(0.02)

$

0.12

$

0.42

Diluted

0.12

(0.02)

0.11

0.40