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Product Revenue by Product Group (Detail) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Revenue from External Customer [Line Items]
Product revenue	$ 14,055,440	$ 17,756,000	$ 46,551,045	$ 44,230,840
Orthobiologics
Revenue from External Customer [Line Items]
Product revenue	9,242,783	10,377,222	30,262,991	28,177,115
Dermal
Revenue from External Customer [Line Items]
Product revenue	376,251	947,122	1,033,302	2,335,881
Ophthalmic
Revenue from External Customer [Line Items]
Product revenue	1,891,433	4,562,574	8,515,160	8,045,203
Surgical
Revenue from External Customer [Line Items]
Product revenue	1,426,273	1,068,522	3,874,405	3,748,277
Veterinary
Revenue from External Customer [Line Items]
Product revenue	$ 1,118,700	$ 800,560	$ 2,865,187	$ 1,924,364

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- Definition

Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1(a))

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

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