Quarterly Data (unaudited)

12 Months Ended

Dec. 31, 2017

Quarterly Financial Information Disclosure [Abstract]

Quarterly Data (unaudited)

15. Quarterly Data (unaudited)

Quarters (000's omitted, except per share data)
2017	First		Second		Third		Fourth			Total
Net sales	$	27,745	$	38,849	$	33,785	$	30,171		$	130,550
Cost of goods sold		17,181		24,366		21,559		19,545			82,651
Gross profit		10,564		14,483		12,226		10,626			47,899
Net income		659		2,846		1,202		(655	)		4,052
Basic earnings per share	$	0.20	$	0.85	$	0.36	$	(0.20	)	$	1.21
Diluted earnings per share	$	0.18	$	0.75	$	0.32	$	(0.16	)	$	1.09
Dividends per share	$	0.10	$	0.11	$	0.11	$	0.11		$	0.43
2016		First		Second		Third		Fourth			Total
Net sales	$	25,288	$	40,997	$	31,913	$	26,377		$	124,574
Cost of goods sold		16,103		26,302		20,050		16,564			79,019
Gross profit		9,185		14,695		11,863		9,813			45,555
Net income		565		3,267		1,473		545			5,851
Basic earnings per share	$	0.17	$	0.98	$	0.44	$	0.16		$	1.76
Diluted earnings per share	$	0.16	$	0.91	$	0.40	$	0.15		$	1.64
Dividends per share	$	0.10	$	0.10	$	0.10	$	0.10		$	0.40

Earnings per share were computed independently for each of the quarters presented. Therefore, the sum of the four quarterly earnings per share amounts may not necessarily equal the earnings per share for the year.