Summary of Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2020

Summary of Quarterly Financial Data (Unaudited)

Summary of unaudited quarterly financial data (in thousands)

	2020
	March 31,		June 30,		September 30,		December 31,
Revenues
Lime and limestone operations	$	38,214	$	37,362	$	43,473	$	40,658
Other		226		185		254		332
	$	38,440	$	37,547	$	43,727	$	40,990
Gross profit
Lime and limestone operations	$	10,039	$	10,507	$	14,256	$	13,181
Other		(162)		(150)		(74)		(10)
	$	9,877	$	10,357	$	14,182	$	13,171
Net income	$	5,544	$	6,101	$	9,324	$	7,254
Basic income per common share	$	0.99	$	1.08	$	1.66	$	1.29
Diluted income per common share	$	0.98	$	1.08	$	1.65	$	1.28

	2019
	March 31,		June 30,		September 30,		December 31,
Revenues
Lime and limestone operations	$	37,465	$	38,581	$	43,265	$	37,670
Other		334		373		294		295
	$	37,799	$	38,954	$	43,559	$	37,965
Gross profit
Lime and limestone operations	$	8,686	$	9,690	$	13,477	$	10,190
Other		7		37		6		(417)
	$	8,693	$	9,727	$	13,483	$	9,773
Net income	$	5,128	$	6,033	$	9,902	$	4,993
Basic income per common share	$	0.91	$	1.07	$	1.76	$	0.89
Diluted income per common share	$	0.91	$	1.07	$	1.76	$	0.89