Acquisition (Tables)

9 Months Ended

Sep. 30, 2012

Acquisition [Abstract]

Acquisition-date fair value of the assets acquired and the liabilities assumed

	August 18,
	2011
Property, plant and equipment	$	94,102
Non-compete agreement		1,330
Goodwill		20,268
Accounts payable		(4,475	)
Accrued expenses and other current liabilities		(138	)
Net assets acquired	$	111,087

Changes in the carrying value of goodwill

Balance, December 31, 2011	$	20,479
Change in goodwill		(211	)
Balance, September 30, 2012	$	20,268

Pro forma results of operations for material acquisition(s)

(dollars in thousands, except per share amounts)	Three months ended		Nine months ended
	September 30, 2011		September 30, 2011
Net sales	$	67,469	$	190,728
Net income	$	4,450	$	13,638
Net income per common share - Basic	$	0.65	$	2.00
Net income per common share - Diluted	$	0.64	$	1.95
Weighted-average shares of Common Stock outstanding:
Basic		6,831,048		6,821,944
Diluted		6,998,818		6,982,179