March 31,
2013

December 31,
2012

Land

$

960

$

960

Land improvements

1,777

1,768

Buildings

12,852

12,852

Machinery and equipment

24,314

24,286

Furniture and fixtures

7,492

7,465

Mobile equipment and other

1,201

1,138

Construction-in-process

1,004

351

Total property, plant and equipment

49,600

48,820

Less accumulated depreciation

(29,587

)

(28,933

)

Net property, plant and equipment

$

20,013

$

19,887