Inventory (Details Textuals) (USD $)	6 Months Ended
Jun. 30, 2012	Jun. 30, 2011
Inventory Details
Inventory write-offs	$ 76,000	$ 179,000

Reflects the amount charged against earnings comprised of the costs to announce and effect a recall of defective merchandise.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.3)

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688

Name:	us-gaap_InventoryRecallExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration