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Basis of Presentation and Significant Accounting Policies (Details) (USD $) | 3 Months Ended |  | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended
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Mar. 31, 2014 | Mar. 31, 2013 | Mar. 31, 2012 | Mar. 31, 2014 Customer Concentration Risk [Member] Customer | Mar. 31, 2013 Customer Concentration Risk [Member] Customer | Dec. 31, 2013 Customer Concentration Risk [Member] Customer | Mar. 31, 2014 Revenues [Member] Customer Concentration Risk [Member] Customer 1 [Member] | Mar. 31, 2013 Revenues [Member] Customer Concentration Risk [Member] Customer 1 [Member] | Mar. 31, 2014 Revenues [Member] Customer Concentration Risk [Member] Customer 2 [Member] | Mar. 31, 2013 Revenues [Member] Customer Concentration Risk [Member] Customer 2 [Member] | Mar. 31, 2014 Revenues [Member] Customer Concentration Risk [Member] Customer 3 [Member] | Mar. 31, 2014 Accounts Receivable [Member] Customer Concentration Risk [Member] Customer 1 [Member] | Dec. 31, 2013 Accounts Receivable [Member] Customer Concentration Risk [Member] Customer 1 [Member] | Mar. 31, 2014 Accounts Receivable [Member] Customer Concentration Risk [Member] Customer 2 [Member] | Dec. 31, 2013 Accounts Receivable [Member] Customer Concentration Risk [Member] Customer 2 [Member] | Mar. 31, 2014 Accounts Receivable [Member] Customer Concentration Risk [Member] Customer 3 [Member] | Mar. 31, 2014 Restate Previously Reported Diluted Loss per Share for March 2012 Warrants [Member] | Mar. 31, 2014 Restate Previously Reported Diluted Loss per Share for March 2012 Warrants [Member] Restatement Adjustment [Member] | Mar. 31, 2014 Restate Previously Reported Diluted Loss per Share for March 2012 Warrants [Member] Previously Reported [Member]
Restatement [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Term of warrants | 5 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate number of unregistered shares of common stock called by warrants (in shares) |  |  | 14,834,577 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price of shares purchased under warrants (in dollars per share) |  |  | $ 1.76 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Impact of restatement on the reported diluted loss per share (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ (0.17) |
Diluted net loss per share of common stock (in dollars per share) | $ (0.21) | $ (0.30) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ (0.21) |  | $ (0.04)
Concentration Risk [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of major customers |  |  |  | 3 | 2 | 2 |  |  |  |  |  |  |  |  |  |  |  |  |
Concentration risk, percentage (in hundredths) |  |  |  |  |  |  | 47.00% | 79.00% | 40.00% | 18.00% | 15.00% | 57.00% | 73.00% | 28.00% | 13.00% | 12.00% |  |  |

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- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)(4)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph i -Subparagraph 4 -Article 4 + Details
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- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph i -Subparagraph 2 -Article 4 + Details
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