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Summary of Significant Accounting Policies - Accounts Receivable and Concentration of Credit Risk (Details) | 12 Months Ended
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Dec. 31, 2013 customer | Dec. 31, 2012 customer
Accounting Policies [Abstract] |  |
Accounts receivable, number of major customers (customers) | 2 | 2
Accounts receivable, major customer (percentage) | 23.00% | 46.00%
Revenue, number of major customer (customers) | 1 | 0
Revenue, major customer (percentage) | 12.00% |

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- Definition Number of Major Customers Accounting for More than Ten Percent of Accounts Receivable + References No definition available. + Details
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- Definition Percentage of Accounts Receivable Accounted for by Major Customer + References No definition available. + Details
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- Details
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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13537-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13531-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592 + Details
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