Inventories (Tables)

3 Months Ended

Mar. 31, 2013

Inventories

Schedule of inventories

Inventories consisted of the following (in thousands):

	March 31, 2013		December 31, 2012
Lime and limestone inventories:
Raw materials	$	6,620	$	6,718
Finished goods	1,819		2,328
	8,439		9,046
Service parts inventories	5,250		5,081
	$	13,689	$	14,127