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Segment and Geographic Information (Revenue By Geographic Area) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenues	$ 13,734	$ 25,037	$ 27,760	$ 43,797
UNITED STATES
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenues	9,812	20,390	21,209	37,503
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenues	3,140	4,647	5,496	6,294
Asia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenues	$ 782		$ 1,055

X

- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

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 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688



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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

+ Details

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