Summary of Significant Accounting Policies (Details1) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
License agreements	$ 4,050	$ 3,474
Accumulated amortization	(3,498)	(2,798)
License Agreements, Net	$ 552	$ 676

Gross carrying amount as of the balance sheet date of certain rights acquired to exercise a certain privilege or pursue a particular business or occupation and which is deemed to have a finite economic life.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275

Name:	us-gaap_FiniteLivedLicenseAgreementsGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant