Note 15 - Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Quarterly Financial Information [Table Text Block]

	Three months ended
2020	March 31		June 30		September 30		December 31
	(in thousands, except per share data)
Total net sales	$	30,551	$	24,851	$	36,416	$	37,548
Gross profit		20,483		17,029		22,704		24,402
Income (loss) from operations		4,353		4,872		10,018		9,545
Net income		3,174		3,500		7,513		7,033
Earnings per share
Basic	$	0.16	$	0.17	$	0.37	$	0.35
Diluted	$	0.16	$	0.17	$	0.37	$	0.34

	Three months ended
2019	March 31		June 30		September 30		December 31
	(in thousands, except per share data)
Total net sales	$	28,479	$	29,483	$	29,100	$	30,170
Gross profit		19,464		20,315		20,166		19,908
Income (loss) from operations		4,435		5,915		5,905		4,928
Net income		3,513		4,624		5,184		4,613
Earnings per share
Basic	$	0.18	$	0.23	$	0.26	$	0.23
Diluted	$	0.17	$	0.23	$	0.25	$	0.23