Summary of Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2019

Summary of Quarterly Financial Data (Unaudited)

Summary of unaudited quarterly financial data (in thousands)

	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

	2018
	March 31,		June 30,		September 30,		December 31,
Revenues
Lime and limestone operations	$	34,714	$	38,557	$	34,713	$	33,938
Other		573		685		559		696
	$	35,287	$	39,242	$	35,272	$	34,634
Gross profit
Lime and limestone operations	$	6,793	$	9,327	$	6,992	$	6,370
Other		244		310		204		246
	$	7,037	$	9,637	$	7,196	$	6,616
Net income	$	4,262	$	6,638	$	4,554	$	4,231
Basic income per common share	$	0.76	$	1.19	$	0.81	$	0.76
Diluted income per common share	$	0.76	$	1.18	$	0.81	$	0.75