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