Debt	9 Months Ended
Sep. 30, 2012
Debt [Abstract]
Debt	8. Debt We prepaid our outstanding bank loan in full in June 2012, reducing our total debt to zero. Our outstanding debt was $4.0 million as of December 31, 2011, of which $3.0 million was due within 12 months.

The entire disclosure for long-term debt.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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