Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Statement of Comprehensive Income [Abstract]
Net income (loss)		$ 1,248	$ (425)	$ 2,743	$ (1,444)
Other comprehensive income (loss):
Foreign currency translation adjustments		(60)	(411)	112	(385)
Unrealized holding losses which arose during the period on available-for-sale securities	[1]	(253)	(35)	(330)	(35)
Recognition of previously unrealized losses on available-for-sale securities included in net income (loss)	[2]	8	0	62	0
Other comprehensive loss		(305)	(446)	(156)	(420)
Comprehensive income (loss)		943	(871)	2,587	(1,864)
Less: Comprehensive loss attributable to noncontrolling interest		(56)	(51)	(129)	(104)
Comprehensive income (loss) attributable to Rentrak Corporation		$ 999	$ (820)	$ 2,716	$ (1,760)

[1] For the three and six month periods ended both September 30, 2015 and 2014, the amounts are net of zero deferred taxes.

[2] For the three and six month periods ended both September 30, 2015 and 2014, the amounts are net of zero deferred tax benefits.