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Debt (Tables) | 3 Months Ended
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Mar. 31, 2014
Debt | Debt at March 31, 2014 consisted of the following (in thousands):
|  | March 31, 2014 |
|  | Principal |  |  | Unamortized Discount |  |  | Total |
Comerica - Revolving Line of Credit, due 2014 |  | $ | 3,268 |  |  | $ | 0 |  |  | $ | 3,268 |
Less: debt - current |  |  | (3,268 | ) |  |  | 0 |  |  |  | (3,268 | )
Debt - non-current |  | $ | 0 |  |  | $ | 0 |  |  | $ | 0 |
Debt at December 31, 2013 consisted of the following (in thousands):
|  | December 31, 2013 |
|  | Principal |  |  | Unamortized Discount |  |  | Total |
Comerica - Revolving Line of Credit, due 2014 |  | $ | 3,366 |  |  | $ | 0 |  |  | $ | 3,366 |
Less: debt - current |  |  | (3,366 | ) |  |  | 0 |  |  |  | (3,366 | )
Debt - non-current |  | $ | 0 |  |  | $ | 0 |  |  | $ | 0 |

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
Name: | us-gaap_ScheduleOfDebtTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration