Dependence on Key Suppliers (Details)	9 Months Ended
Sep. 30, 2012
Kings Pharmaceuticals [Abstract]
Initial agreement period	10 years
Contract extension period	1 year
Period of written notice to supplier	5 years

Description of the extension period of time over which an agreement is valid and enforceable which may be presented in a variety of ways (for example, in years, in months, month and years).

No definition available.

Name:	vasc_ContractExtensionPeriod
Namespace Prefix:	vasc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant