Condensed Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands		3 Months Ended
		Jun. 30, 2015	Jun. 30, 2014
Income Statement [Abstract]
Revenue		$ 27,529	$ 22,344
Cost of revenue		9,893	7,604
Gross margin		17,636	14,740
Operating expenses:
Selling, general and administrative		11,660	12,834
Research, technology and innovation		3,979	3,264
Total operating expenses		15,639	16,098
Income (loss) from continuing operations		1,997	(1,358)
Other income, net		151	20
Income (loss) from continuing operations before income taxes		2,148	(1,338)
Provision for income taxes		653	29
Income (loss) from continuing operations, net of income taxes		1,495	(1,367)
Income from discontinued operations, net of income taxes		0	348
Net income (loss)		1,495	(1,019)
Net loss attributable to noncontrolling interest		(73)	(53)
Net income (loss) attributable to Rentrak Corporation		$ 1,568	$ (966)
Income (loss) per share from continuing operations attributable to Rentrak Corporation common stockholders:
Basic (usd per share)		$ 0.10	$ (0.11)
Diluted (usd per share)		0.10	(0.11)
Income per share from discontinued operations attributable to Rentrak Corporation common stockholders:
Basic (usd per share)		0.00	0.03
Diluted (usd per share)		0.00	0.03
Net income (loss) per share attributable to Rentrak Corporation common stockholders:
Basic (usd per share)		0.10	(0.08)
Diluted (usd per share)		$ 0.10	$ (0.08)
Shares used in per share calculations:
Basic (shares)	[1]	15,273	12,505
Diluted (shares)		16,178	12,505

[1] Includes 191,873 and 200,807 vested cumulative DSUs, respectively, for the three months ended June 30, 2015 and 2014 that will not be issued until the directors holding the DSUs retire from our Board of Directors.