INVENTORIES (Tables)

12 Months Ended

Dec. 31, 2012

INVENTORIES [Abstract]

Inventories

Inventories as of December 31 consist of the following classes:

(thousands)		2012			2011
Raw materials	$	24,197		$	14,382
Work in process		3,000			1,950
Finished goods		3,169			2,353
Less: reserve for inventory obsolescence		(825	)		(451	)
Total manufactured goods, net		29,541			18,234
Materials purchased for resale (distribution products)		17,732			9,519
Less: reserve for inventory obsolescence		(281	)		(250	)
Total materials purchased for resale (distribution products), net		17,451			9,269
Balance at December 31	$	46,992		$	27,503

Summary of the reserve for inventory obsolescence

The following table summarizes the reserve for inventory obsolescence:

(thousands)		2012			2011
Balance at January 1	$	701		$	854
Charged to operations		1,123			1,020
Deductions from reserves		(718	)		(1,173	)
Balance at December 31	$	1,106		$	701