Condensed Consolidated Statements of Comprehensive Loss (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2013		Dec. 31, 2012
Statement of Comprehensive Income [Abstract]
Net loss	$ (366)		$ (1,845)		$ (2,220)		$ (20,620)
Other comprehensive income (loss):
Foreign currency translation adjustments	77		93		372		(6)
Unrealized holding gains (losses) which arose during the period on available-for-sale securities	19	[1]	(28)	[1]	(74)	[1]	33	[1]
Recognition of previously unrealized (gains) losses on available-for-sale securities included in net loss	0	[2]	(2)	[2]	2	[2]	(113)	[2]
Other comprehensive income (loss)	96		63		300		(86)
Comprehensive loss	(270)		(1,782)		(1,920)		(20,706)
Comprehensive loss attributable to noncontrolling interest	(23)		(31)		(52)		(31)
Comprehensive loss attributable to Rentrak Corporation	$ (247)		$ (1,751)		$ (1,868)		$ (20,675)

[1] For the three months ended December 31, 2013 and 2012, the amounts are net of deferred taxes of zero and $15,000, respectively, and for the nine months ended December 31, 2013 and 2012, the amounts are net of deferred taxes of zero and $(30,000), respectively.

[2] For the three months ended December 31, 2013 and 2012, the amounts are net of deferred tax benefit of zero and $(2,000), respectively, and for the nine months ended December 31, 2013 and 2012, the amounts are net of deferred tax benefit of zero and $(83,000), respectively.