Condensed Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended				9 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2012		Dec. 31, 2011
Revenue	$ 24,948		$ 22,211		$ 70,662		$ 66,471
Cost of sales	13,847		11,590		37,343		35,229
Gross margin	11,101		10,621		33,319		31,242
Operating expenses:
Selling and administrative	12,870		11,595		54,150		32,354
Loss from operations	(1,769)		(974)		(20,831)		(1,112)
Other income:
Interest income, net	41		133		390		348
Loss before income taxes	(1,728)		(841)		(20,441)		(764)
Provision for income taxes	117		1,106		179		1,046
Net loss	(1,845)		(1,947)		(20,620)		(1,810)
Net loss attributable to noncontrolling interest	(31)		0		(31)		0
Net loss attributable to Rentrak Corporation	$ (1,814)		$ (1,947)		$ (20,589)		$ (1,810)
Basic net loss per share (in dollars per share)	$ (0.15)		$ (0.18)		$ (1.77)		$ (0.16)
Diluted net loss per share (in dollars per share)	$ (0.15)		$ (0.18)		$ (1.77)		$ (0.16)
Shares used in per share calculations:
Basic (in shares)	11,996	[1]	11,102	[1]	11,634	[1]	11,205	[1]
Diluted (in shares)	11,996		11,102		11,634		11,205

[1] Includes 151,554 and 96,332 vested cumulative DSUs, respectively, for the three months ended December 31, 2012 and 2011 and 138,838 and 83,174 vested cumulative DSUs, respectively, for the nine months ended December 31, 2012 and 2011 that will not be issued until the directors holding the DSUs retire from our Board of Directors.