Acquisitions - Narrative (Details) (USD $)	0 Months Ended	3 Months Ended	9 Months Ended			9 Months Ended	12 Months Ended		0 Months Ended	12 Months Ended		0 Months Ended		0 Months Ended		12 Months Ended		0 Months Ended	12 Months Ended				0 Months Ended
	Jul. 15, 2014	Sep. 30, 2014	Sep. 30, 2014	Sep. 30, 2013	Aug. 08, 2014	Sep. 30, 2014 GMedix [Member]	Dec. 31, 2012 GMedix [Member]	May 08, 2014 GMedix [Member]	Oct. 04, 2013 Datascope	Dec. 31, 2013 Datascope	Dec. 31, 2013 Radial Assist	Aug. 08, 2014 Distribution Rights [Member]	Sep. 30, 2014 Distribution Rights [Member]	Aug. 08, 2014 Developed technology	Sep. 30, 2014 Developed technology	Dec. 31, 2013 Developed technology Datascope	Dec. 31, 2013 Developed technology Radial Assist	Jul. 15, 2014 License agreements	Dec. 31, 2013 Customer Lists Datascope	Dec. 31, 2013 Customer Lists Radial Assist	Dec. 31, 2013 Trademarks Datascope	Dec. 31, 2013 Trademarks Radial Assist	Oct. 04, 2013 Wells Fargo Credit Agreement
Business Acquisition [Line Items]
Payments to acquire intangible assets		$ 2,000,000	$ 1,368,000	$ 1,143,000
Additional consideration due if certain milestone are met					5,000,000
Intangible asset													200,000		1,800,000
Useful life												5 years		10 years		10 years	10 years	10 years	6 years	6 years	15 years	15 years
Payments to Acquire Investments	752,000					1,800,000
Cost Method Investments, Interest Acquired, Number of Units								737,628
Cost Method Investments, Ownership Percentage								19.00%
Payments to Acquire Businesses, Net of Cash Acquired			4,202,000	1,000,000		1,450,000	350,000
Payments to acquire businesses									27,500,000		2,500,000
Income before tax										1,600,000	191,000
Weighted average useful life										10 years	10 years 0 months 27 days
Long-term debt issuance costs																							$ 798,000