Commitments and Contingencies (Details)	3 Months Ended		9 Months Ended		3 Months Ended	9 Months Ended	69 Months Ended	9 Months Ended				0 Months Ended	9 Months Ended			0 Months Ended		1 Months Ended	3 Months Ended
	Sep. 30, 2013 USD ($)	Sep. 30, 2012 USD ($)	Sep. 30, 2013 USD ($)	Sep. 30, 2012 USD ($)	Sep. 30, 2013 Terumo Medical Corporation [Member] USD ($)	Sep. 30, 2013 Governmental Proceedings [Member] Vari-Lase [Member] USD ($)	Sep. 30, 2013 Governmental Proceedings [Member] Vari-Lase [Member] USD ($)	Sep. 30, 2013 King Agreements [Member] USD ($)	Sep. 30, 2012 King Agreements [Member] USD ($)	Dec. 31, 2012 King Agreements [Member] USD ($)	Jan. 09, 2007 King Agreements [Member]	Apr. 01, 2008 Nicolai GmbH Agreement [Member] EUR (€)	Sep. 30, 2013 Nicolai GmbH Agreement [Member] USD ($)	Sep. 30, 2012 Nicolai GmbH Agreement [Member] USD ($)	Dec. 31, 2012 Nicolai GmbH Agreement [Member] USD ($)	Jun. 09, 2011 Radius Medical Technologies, Inc. [Member] USD ($)	Oct. 20, 2010 Radius Medical Technologies, Inc. [Member] USD ($)	May 31, 2013 Radius Medical Technologies, Inc. [Member] USD ($)	Sep. 30, 2013 Radius Medical Technologies, Inc. [Member] USD ($)	Dec. 31, 2012 Radius Medical Technologies, Inc. [Member] USD ($)	Mar. 31, 2012 Radius Medical Technologies, Inc. [Member] USD ($)	Sep. 30, 2011 Radius Medical Technologies, Inc. [Member] USD ($)
Terumo Medical Corporation Litigation [Abstract]
Settlement amount	$ 812,000	$ 0	$ 812,000	$ 0	$ 812,000
Governmental Proceedings [Abstract]
Total U.S. sales, maximum	27,926,000	24,465,000	81,197,000	72,821,000			471,000
Total U.S. sales, percentage (in hundredths)						0.10%
Alleged amount of damages						20,000,000
Amortization period for license fee											10 years
Amortization of license fee								153,000	153,000				36,000	73,000
Future amortization of deferred revenue								51,000
Unamortized license fee								662,000		815,000		500,000	0	0	36,000
Nicolai GmbH Agreement [Abstract]
Distribution agreement term												5 years
Radius Medical Technologies, Inc. Contingent Consideration [Abstract]
Business acquisition, cost of acquired entity, purchase price, total																	6,449,000
Business acquisition, cost of acquired entity, cash paid			500,000	7,000,000												1,449,000	5,000,000
Percentage of the net sales company is entitled to receive (in hundredths)																			25.00%
Annual sales base to compute contingent consideration potential cash payment year one																			2,000,000
Annual sales base to compute contingent consideration potential cash payment year two																			2,500,000
Annual sales base to compute contingent consideration potential cash payment year three																			3,000,000
Range of possible contingent consideration payments value, low																			0
Change in fair value of contingent consideration			(79,000)	(96,000)														(79,000)		(136,000)	(96,000)	(586,000)
Business acquisition, contingent consideration recorded																				$ 79,000