Property and Equipment, net (Tables)

12 Months Ended

Dec. 31, 2012

Property, Plant and Equipment

Property and equipment, net consisted of the following as of December 31, 2012 and 2011:

	2012		2011		Estimated Useful Life (in years)
Rail road property and equipment	$	10,140	$	10,140		15-30
Machinery and equipment		18,618		18,978		3-10
Office equipment		18,909		19,845		3-10
Autos and trucks		1,726		1,951		3-10
		49,393		50,914
Less: Accumulated depreciation		37,614		36,514
		11,779		14,400
Construction in progress		370		546
Total	$	12,149	$	14,946