Inventories (Tables)

6 Months Ended

Jun. 30, 2013

Inventories

Schedule of inventories

Inventories consisted of the following (in thousands):

	June 30, 2013		December 31, 2012
Lime and limestone inventories:
Raw materials	$	6,606	$	6,718
Finished goods	2,430		2,328
	9,036		9,046
Service parts inventories	5,141		5,081
	$	14,177	$	14,127