Related Parties (Tables)

9 Months Ended

Sep. 30, 2012

Related Parties [Abstract]

Schedule of Sales and Purchases with Related Parties [Table Text Block]

		Three Months Ended				Nine Months Ended
		September 30,				September 30,
		2012		2011		2012		2011
Net sales	$	530	$	894	$	851	$	1,846
Purchases	$	9,317	$	11,730	$	25,736	$	30,224

		Three Months Ended				Nine Months Ended
		September 30,				September 30,
		2012		2011		2012		2011
Net sales	$	6,007	$	5,898	$	15,450	$	7,102
Purchases	$	2,125	$	3,222	$	6,252	$	9,102

Schedule of Due to/Due from Related Parties [Table Text Block]

		September 30,		December 31,
		2012		2011
Accounts receivable
LSC	$	444	$	133
Keylink		11,498		11,237
	$	11,942	$	11,370
Accounts payable
LSC	$	7,159	$	5,106
Keylink		5,905		6,002
	$	13,064	$	11,108