3. Basis of Presentation and Significant Accounting Policies (Details)	12 Months Ended
Dec. 31, 2012
Equipment \| Minimum [Member]
Property and Equipment
Estimated useful Life	3 years
Equipment \| Maximum [Member]
Property and Equipment
Estimated useful Life	5 years
Furniture And Fixtures
Property and Equipment
Estimated useful Life	5 years
Software
Property and Equipment
Estimated useful Life	3 years
LeaseholdImprovementsMember
Property and Equipment
Estimated useful Life, description	Lesser of lease term or life of improvements

Describes the periods of time over which an entity anticipates to receive utility from its property, plant and equipment (that is, the periods of time over which an entity allocates the initial cost of its property, plant and equipment).

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18780-107790

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-URI http://asc.fasb.org/subtopic&trid=2155824

Name:	us-gaap_PropertyPlantAndEquipmentEstimatedUsefulLives
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration