The aggregate amount assigned to a major class of finite-lived intangible assets acquired either individually or as part of a group of assets (in either an asset acquisition or business combination). A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 44

-Subparagraph a(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6905858&loc=d3e16265-109275

Acquisitions (Details) (USD $)	3 Months Ended		9 Months Ended				9 Months Ended		3 Months Ended	9 Months Ended			0 Months Ended		0 Months Ended						0 Months Ended
Acquisitions (Details) (USD $)	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Aug. 07, 2012 Blockade [Member]	Jul. 31, 2012 Blockade [Member]	Sep. 30, 2012 Ash [Member]	Sep. 02, 2011 Ash [Member]	Sep. 30, 2011 Ostial [Member]	Sep. 30, 2012 Ostial [Member]	Sep. 30, 2011 Ostial [Member]	Jan. 30, 2012 Ostial [Member]	Aug. 27, 2012 License Agreement Terms [Member] PatentLitigationSettlement [Member]	Sep. 30, 2012 License Agreement Terms [Member] PatentLitigationSettlement [Member]	Aug. 21, 2012 Distribution Rights [Member] CathConn [Member]	Sep. 02, 2011 Developed Technology Rights [Member] Ash [Member] Y	Jan. 30, 2012 Developed Technology Rights [Member] Ostial [Member] Y	Sep. 02, 2011 Customer Lists [Member] Ash [Member] Y	Jan. 30, 2012 Customer Lists [Member] Ostial [Member] Y	Jan. 30, 2012 Trade Names [Member] Ostial [Member]	Jan. 30, 2012 Noncompete Agreements [Member] Ostial [Member] Y
Business Acquisition [Line Items]
Other Investments						$ 1,000,000
Business Acquisition, Cost of Acquired Entity, Purchase Price														750,000
Finite-Lived Intangible Assets, Useful Life													3		10	15	15	2	8		5
Business Acquisition, Cost of Acquired Entity, Cash Paid								5,000,000				10,000,000			250,000
Business Acquisition, Contingent Consideration, Potential Cash Payment	1,000,000		1,000,000					1,000,000				6,500,000			250,000
Investment Owned, Balance, Shares					422,594
Goodwill, Allocation Adjustment			280,000				280,000
Research and Development Asset Acquired Other than Through Business Combination, Written-off	275,000		2,450,000
Property and equipment								73,000
Intangibles															250,000	3,200,000	16,200,000	300,000	700,000	150,000	20,000
Goodwill								2,977,000				4,430,000
Business Acquisition, Purchase Price Allocation, Assets Acquired								6,550,000				21,500,000
NET SALES	95,907,000	90,477,000	292,057,000	268,357,000					128,000	345,000
Net Sales, Pro Forma									90,537,000		268,546,000
Net income	7,226,000	4,563,000	19,069,000	18,074,000
Net Income, Pro Forma									$ 4,109,000		$ 16,913,000
Basic (in dollars per share)	$ 0.17	$ 0.11	$ 0.45	$ 0.47
Basic, Pro Forma (in dollars per share)									$ 0.10		$ 0.44
Diluted (in dollars per share)	$ 0.17	$ 0.11	$ 0.45	$ 0.47
Dilued, Pro Forma (in dollars per share)									$ 0.10		$ 0.44