Business and Credit Concentrations (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Foreign customers outside the U.S. and Canada [Member]
Schedule of significant portions of the Company's net sales
Net sales, percentage	32.20%	38.80%	32.90%	34.10%
Customer A [Member]
Schedule of significant portions of the Company's net sales
Net sales, percentage		11.20%