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Selected Balance Sheet Information | 9 Months Ended
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Sep. 30, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Supplemental Balance Sheet Disclosures [Text Block] |
| 5. | Selected Balance Sheet Information
Prepaid expenses and other current assets (in thousands)
|  | September 30, 2013 |  | December 31, 2012 |
Intrexon prepaid research and development expenses |  | $ | 1,543 |  | $ | 2,412 |
Other receivables |  |  | - |  |  | 17 |
Prepaid expenses |  |  | 104 |  |  | 80 |
Total |  | $ | 1,647 |  | $ | 2,509 |
The anticipated Intrexon research and development expenses for the next twelve months are classified as a current asset. The Company may terminate the arrangement at any time and receive a cash refund of the remaining balance minus any amounts owed to Intrexon. Property and equipment (in thousands)
|  | September 30, 2013 |  | December 31, 2012 |
Manufacturing equipment |  | $ | 152 |  | $ | 297 |
Computer and office equipment |  |  | 45 |  |  | 35 |
Laboratory equipment |  |  | 133 |  |  | 133 |
|  |  | 330 |  |  | 465 |
Less accumulated depreciation |  |  | (173) |  |  | (242) |
Total |  | $ | 157 |  | $ | 223 |

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- Definition The entire disclosure for supplemental balance sheet disclosures, including descriptions and amounts for assets, liabilities, and equity. + References No definition available. + Details
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