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Basis of Presentation and Significant Accounting Policies (Details) (Customer Concentration Risk [Member]) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2014 Customer | Mar. 31, 2013 Customer | Dec. 31, 2013 Customer
Concentration Risk [Line Items] |  |  |
Number of major customers | 3 | 2 | 2
Revenues [Member] | Customer 1 [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk, percentage (in hundredths) | 47.00% | 79.00% |
Revenues [Member] | Customer 2 [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk, percentage (in hundredths) | 40.00% | 18.00% |
Revenues [Member] | Customer 3 [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk, percentage (in hundredths) | 15.00% |  |
Accounts Receivable [Member] | Customer 1 [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk, percentage (in hundredths) | 57.00% |  | 73.00%
Accounts Receivable [Member] | Customer 2 [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk, percentage (in hundredths) | 28.00% |  | 13.00%
Accounts Receivable [Member] | Customer 3 [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk, percentage (in hundredths) | 12.00% |  |

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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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- Definition Number of external customers that accounts for 10 percent or more of an entity's revenues during the period. + References No definition available. + Details
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