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Notes Payable (Tables) | 9 Months Ended
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Sep. 30, 2013
Notes Payable [Abstract] |
Schedule of Future Minimum Principal Payments | Aggregate future minimum principal payments on the GE notes payable, including the 2013 Funding, at September 30, 2013 are as follows (in thousands):
Year |  | Amount |
2013 (remainder) |  | $ | 143 |
2014 |  |  | 571 |
2015 |  |  | 571 |
2016 |  |  | 396 |
|  | $ | 1,681 |

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- Definition Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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