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Goodwill and Other Intangible Assets (Details) (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Goodwill [Line Items]
Goodwill, Impairment Loss	$ 0	$ 558,168
Research and Development in Process	1,150,000	0
Goodwill, Acquired During Period	11,117,770
Amorcyte [Member]
Goodwill [Line Items]
Research and Development in Process	$ 9,400,000

X

- Definition

The aggregate amount of goodwill acquired in the period and allocated to the reportable segment. The value is stated at fair value based on the purchase price allocation.

+ References

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Loss recognized during the period that results from the write-down of goodwill after comparing the implied fair value of reporting unit goodwill with the carrying amount of that goodwill. Goodwill is assessed at least annually for impairment.

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The amount of purchased research and development assets that are acquired in a business combination have no alternative future use and are therefore written off in the period of acquisition.

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