CONSOLIDATED SUPPLEMENTARY FINANCIAL DATA (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2014

Quarterly Financial Information Disclosure [Abstract]

Schedule of quarterly statements of operations

RAMBUS INC.

CONSOLIDATED SUPPLEMENTARY FINANCIAL DATA

Quarterly Statements of Operations

(Unaudited)

	Dec. 31, 2014		Sept. 30, 2014		June 30, 2014		March 31, 2014		Dec. 31, 2013			Sept. 30, 2013			June 30, 2013			March 31, 2013
	(In thousands, except for per share amounts)
Total revenue	$	72,040	$	69,712	$	76,518	$	78,288	$	73,422		$	73,294		$	57,919		$	66,866
Total operating costs and expenses (1) (2)	$	54,455	$	55,244	$	56,414	$	55,099	$	67,208		$	64,229		$	52,175		$	65,425
Operating income	$	17,585	$	14,468	$	20,104	$	23,189	$	6,214		$	9,065		$	5,744		$	1,441
Net income (loss)	$	7,841	$	5,513	$	5,043	$	7,804	$	(9,777	)	$	(5,725	)	$	(7,844	)	$	(10,402	)
Net income (loss) per share — basic	$	0.07	$	0.05	$	0.04	$	0.07	$	(0.09	)	$	(0.05	)	(0.07		)	$	(0.09	)
Net income (loss) per share — diluted	$	0.07	$	0.05	$	0.04	$	0.07	$	(0.09	)	$	(0.05	)	(0.07		)	$	(0.09	)
Shares used in per share calculations — basic	115,024		114,523		114,116		113,590		113,217			112,640			112,183			111,599
Shares used in per share calculations — diluted	117,620		118,206		117,398		116,629		113,217			112,640			112,183			111,599

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(1) The quarterly financial information includes the following amounts related to the impairment of goodwill and long-lived assets as follows: $9.7 million in the quarter ended December 31, 2013 and $8.1 million in the quarter ended September 30, 2013. Refer to Note 6, "Intangible Assets and Goodwill" of Notes to Consolidated Financial Statements of this Form 10-K.

(2) The quarterly financial information includes the following amounts related to restructuring charges as follows: $2.2 million in the quarter ended December 31, 2013, $1.1 million in the quarter ended September 30, 2013, and $2.2 million in the quarter ended March 31, 2013. Refer to Note 16, "Restructuring Charges" of Notes to Consolidated Financial Statements of this Form 10-K.