Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2013

Goodwill and Other Intangible Assets [Abstract]

Schedule of Intangible Assets [Table Text Block]

	March 31, 2013
	Weighted Average		Gross				Net
	Amortization Period		Carrying		Accumulated		Carrying
	In Years		Value		Amortization		Amount
Non-compete agreements	5	$	380	$	(369)	$	11
Patents	10		815		(421)		394
Customer relationships	23		19,960		(2,760)		17,200
Supplier relationships	5		350		(161)		189
Trademarks	17		6,280		(987)		5,293
Technology	18		19,026		(2,649)		16,377
		$	46,811	$	(7,347)	$	39,464

	December 31, 2012
	Weighted Average		Gross				Net
	Amortization Period		Carrying		Accumulated		Carrying
	In Years		Value		Amortization		Amount
Non-compete agreements	5	$	380	$	(367)	$	13
Patents	10		815		(412)		403
Customer relationships	23		19,960		(2,488)		17,472
Supplier relationships	5		350		(143)		207
Trademarks	17		6,280		(879)		5,401
Technology	18		19,026		(2,357)		16,669
		$	46,811	$	(6,646)	$	40,165

Schedule of Expected Amortization Expense [Table Text Block]

		Amortization Expense
2013	$	2,080
2014		2,781
2015		2,506
2016		2,412
2017		2,345
2018 and thereafter		27,340
	$	39,464