Acquisitions and Divestitures - Additional Information (Detail) (USD $)	9 Months Ended		3 Months Ended	6 Months Ended	9 Months Ended		6 Months Ended		9 Months Ended	12 Months Ended	1 Months Ended	9 Months Ended		12 Months Ended	1 Months Ended		9 Months Ended		1 Months Ended	9 Months Ended	1 Months Ended		9 Months Ended		1 Months Ended	9 Months Ended	1 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Jun. 30, 2012 OptiLock Implantable Port [Member]	Jun. 30, 2010 OptiLock Implantable Port [Member]	Sep. 30, 2013 OptiLock Implantable Port [Member]	Jun. 01, 2010 OptiLock Implantable Port [Member]	Jun. 30, 2012 TAArget and UniFit Stent Grafts [Member]	Jun. 30, 2011 TAArget and UniFit Stent Grafts [Member]	Sep. 30, 2013 TAArget and UniFit Stent Grafts [Member]	Dec. 31, 2011 TAArget and UniFit Stent Grafts [Member]	Oct. 31, 2012 Schaublin [Member]	Sep. 30, 2013 Schaublin [Member]	Sep. 30, 2013 TryTech [Member]	Dec. 31, 2012 TryTech [Member]	Oct. 31, 2012 Xenosure [Member]	Oct. 31, 2012 Xenosure [Member] Non-compete Agreement [Member]	Sep. 30, 2013 Xenosure [Member] Non-compete Agreement [Member]	Oct. 31, 2013 Xenosure [Member] Subsequent Event [Member]	Jul. 31, 2013 Clinical Instruments [Member]	Sep. 30, 2013 Clinical Instruments [Member]	Jul. 31, 2013 Clinical Instruments [Member] Non-compete Agreement [Member]	Aug. 31, 2013 InaVein LLC [Member]	Sep. 30, 2013 InaVein LLC [Member]	Sep. 30, 2013 Medistim [Member]	Oct. 31, 2013 Medistim [Member] Subsequent Event [Member]	Sep. 30, 2013 Tag Medical Pty Ltd [Member]	Oct. 31, 2013 Tag Medical Pty Ltd [Member] Subsequent Event [Member]
Business Acquisition [Line Items]
Purchase price for acquisition of assets and rights											$ 200,000			$ 100,000	$ 4,600,000					$ 1,100,000		$ 2,500,000			$ 200,000		$ 200,000
Acquisition date of assets and rights												Jan. 01, 2013	Apr. 01, 2013				Oct. 31, 2012			Jul. 30, 2013		Aug. 30, 2013		Jan. 01, 2014		Jan. 01, 2014
Cash paid for assets purchased	3,291,000	19,000													4,300,000					900,000		2,100,000
Cash paid for manufacturing and distribution rights																		300,000
Intangible assets											100,000			100,000	2,800,000				322,000		95,000	1,143,000
Goodwill															1,800,000				600,000				700,000
Maximum goodwill deductable for tax purposes															15 years				15 years				15 years
Weighted-average amortization period for acquired intangible assets	7 years 8 months 12 days										7 years			3 years	12 years	5 years					5 years
Balance payable to Clinical Instruments																				200,000		400,000
Acquisition-related contingent consideration																						1,400,000
Transition services as selling expense											100,000
Purchase price installments description												The purchase price is due in three equal installments with payments made in October 2012 and January 2013 and the final payment due in January 2014.	The purchase price is due in three equal installments with payments made in December 2012 and March 2013 and the final payment due in March 2014.											The purchase price is due in three installments with the first payment made in October 2013 and the remaining two payments due in December 2013 and December 2014.		The purchase price is due in three installments with the first payment made in November 2013 and the remaining two payments due in December 2013 and December 2014.
Agreement date of sale of event					Jun. 01, 2010				Jun. 30, 2011
Sale of product line				200,000				100,000
Payment terms due						30,000
Wrote-off balance under insolvency protection law			52,000
Promissory note received from sale of product line								500,000
Interest on promissory note							7.00%
Estimated fair value of promissory note receivable, other long term assets										200,000
Net charge, recorded in cost of sales										400,000
Receivables on initial promissory note payment							500,000
Outstanding promissory note balance							200,000
Gain on divestiture							$ 300,000