Net Loss per Common Share Attributable to Identiv Stockholders' Equity (Detail) - shares	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Common stock equivalents diluted net loss per share inclusion anti-dilutive	5,907,840	3,488,633
RSUs
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Common stock equivalents diluted net loss per share inclusion anti-dilutive	1,460,044	1,973,459
Options
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Common stock equivalents diluted net loss per share inclusion anti-dilutive	672,441	832,941
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	671,878
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