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Selected Balance Sheet Information (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Intrexon prepaid research and development expenses	$ 2,033	$ 2,412
Other receivables	44	17
Prepaid expenses	157	80
Total	$ 2,234	$ 2,509

Sum of the amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer.

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