Summary of Quarterly Financial Data (unaudited)

12 Months Ended

Dec. 31, 2015

Summary of Quarterly Financial Data (unaudited)

Summary of Quarterly Financial Data (unaudited)

(13)  Summary of Quarterly Financial Data (unaudited)

	2015
	March 31,		June 30,		September 30,		December 31,
Revenues
Lime and limestone operations	$	29,362	$	31,779	$	36,452	$	30,797
Natural gas interests		702		671		577		497
	$	30,064	$	32,450	$	37,029	$	31,294
Gross profit (loss)
Lime and limestone operations	$	5,697	$	6,809	$	10,320	$	5,575
Natural gas interests		167		204		47		(105)
	$	5,864	$	7,013	$	10,367	$	5,470
Net income	$	2,365	$	2,559	$	5,676	$	2,286
Basic income per common share	$	0.42	$	0.46	$	1.01	$	0.41
Diluted income per common share	$	0.42	$	0.46	$	1.01	$	0.41

	2014
	March 31,		June 30,		September 30,		December 31,
Revenues
Lime and limestone operations	$	35,051	$	37,320	$	37,855	$	34,341
Natural gas interests		1,640		1,356		1,218		1,060
	$	36,691	$	38,676	$	39,073	$	35,401
Gross profit
Lime and limestone operations	$	7,662	$	9,704	$	9,271	$	7,321
Natural gas interests		930		719		612		572
	$	8,592	$	10,423	$	9,883	$	7,893
Net income	$	4,492	$	5,718	$	5,426	$	3,731
Basic income per common share	$	0.81	$	1.03	$	0.97	$	0.67
Diluted income per common share	$	0.80	$	1.03	$	0.97	$	0.67