Products and Services (Details) (USD $)	3 Months Ended
Mar. 31, 2015 Product Category	Mar. 31, 2014
Product Information [Line Items]
Number of product categories	3vasc_NumberOfProductCategories
Number of products	7vasc_NumberOfProducts
Total revenue	$ 34,611,000us-gaap_Revenues	$ 29,907,000us-gaap_Revenues
Total revenue percentage change (in hundredths)	16.00%vasc_RevenuePercentageChange	15.00%vasc_RevenuePercentageChange
Sales Revenue, Net [Member] \| Interventional cardiology [Member]
Product Information [Line Items]
Percentage of sales revenue (in hundredths)	73.00%
Sales Revenue, Net [Member] \| Phlebology [Member]
Product Information [Line Items]
Percentage of sales revenue (in hundredths)	13.00%
Sales Revenue, Net [Member] \| Interventional radiology [Member]
Product Information [Line Items]
Percentage of sales revenue (in hundredths)	10.00%
Sales Revenue, Net [Member] \| Electrophysiology [Member]
Product Information [Line Items]
Percentage of sales revenue (in hundredths)	4.00%
GuideLiner catheter [Member]
Product Information [Line Items]
Class of primary market	Interventional cardiology
Total revenue	10,340,000	6,703,000
Total revenue percentage change (in hundredths)	54.00%
Pronto catheter [Member]
Product Information [Line Items]
Class of primary market	Interventional cardiology
Total revenue	4,382,000	4,676,000
Total revenue percentage change (in hundredths)	(6.00%)
Hemostatic patches [Member]
Product Information [Line Items]
Class of primary market	Interventional cardiology
Total revenue	3,022,000	3,164,000
Total revenue percentage change (in hundredths)	(4.00%)
Micro-introducer kits [Member]
Product Information [Line Items]
Class of primary market	Interventional radiology
Total revenue	2,854,000	2,333,000
Total revenue percentage change (in hundredths)	22.00%
Vein catheter reprocessing [Member]
Product Information [Line Items]
Class of primary market	Phlebology
Total revenue	2,712,000	2,680,000
Total revenue percentage change (in hundredths)	1.00%
Radial access [Member]
Product Information [Line Items]
Class of primary market	Interventional cardiology
Total revenue	1,638,000	1,333,000
Total revenue percentage change (in hundredths)	23.00%
D-Stat Flowable hemostat [Member]
Product Information [Line Items]
Class of primary market	Electrophysiology
Total revenue	1,371,000	1,352,000
Total revenue percentage change (in hundredths)	1.00%
Catheter Products [Member]
Product Information [Line Items]
Total revenue	23,857,000	19,164,000
Total revenue percentage change (in hundredths)	24.00%	15.00%
Hemostat Products [Member]
Product Information [Line Items]
Total revenue	6,177,000	5,997,000
Total revenue percentage change (in hundredths)	3.00%	4.00%
Vein Products and Services [Member]
Product Information [Line Items]
Total revenue	4,407,000	4,684,000
Total revenue percentage change (in hundredths)	(6.00%)	31.00%
Total Product Revenue [Member]
Product Information [Line Items]
Total revenue	34,441,000	29,845,000
Total revenue percentage change (in hundredths)	15.00%	15.00%
License, Royalty and Collaboration [Member]
Product Information [Line Items]
Total revenue	$ 170,000	$ 62,000
Total revenue percentage change (in hundredths)	173.00%	(29.00%)

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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