Net Loss per Common Share Attributable to Identiv Stockholders' Equity (Detail) - shares	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Common stock equivalents diluted net loss per share inclusion anti-dilutive	6,274,624	3,665,281
RSUs
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Common stock equivalents diluted net loss per share inclusion anti-dilutive	1,542,490	1,922,111
Options
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Common stock equivalents diluted net loss per share inclusion anti-dilutive	661,852	780,937
Warrants
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Common stock equivalents diluted net loss per share inclusion anti-dilutive	765,000	951,878
Noncontrolling Interest
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Common stock equivalents diluted net loss per share inclusion anti-dilutive	10,355	10,355
Shares of Common Stock Issuable upon Conversion of Series B Preferred Stock
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Common stock equivalents diluted net loss per share inclusion anti-dilutive	3,000,000
Shares of Common Stock Subject to Holdback Provisions of Acquisition of 3VR
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Common stock equivalents diluted net loss per share inclusion anti-dilutive	294,927