Payment Amounts for Related Party Liability (Detail) (Hirsch, Related Party, USD $) In Thousands, unless otherwise specified	Jun. 30, 2012
Hirsch \| Related Party
Related Party Transaction [Line Items]
2012 (remaining six months)	$ 545
2013	1,131
2014	1,187
2015	1,247
2016	1,309
2017 and thereafter	6,454
Present value discount factor	(3,665)
Total	$ 8,208

Expected Future Payments In Remainder of Fiscal Year

No definition available.

Name:	inve_ExpectedFuturePaymentsInRemainderOfFiscalYear
Namespace Prefix:	inve_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant