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Condensed Consolidated Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013
Revenues | $ 50,076 | $ 23,110 | $ 62,654 | $ 99,971
Cost of revenues: |  |  |  |
Inventor royalties | 10,694 | 5,610 | 11,645 | 24,091
Contingent legal fees | 7,077 | 4,024 | 8,604 | 19,056
Litigation and licensing expenses - patents | 10,820 | 9,918 | 19,814 | 19,566
Amortization of patents | 15,532 | 12,578 | 30,004 | 24,308
Marketing, general and administrative expenses (including non-cash stock compensation expense of $5,303 and $10,068 for the three and six months ended June 30, 2014, respectively, and $6,268 and $11,426 for the three and six months ended June 30, 2013, respectively) | 13,181 | 13,184 | 24,874 | 27,035
Research, consulting and other expenses - business development | 1,003 | 726 | 1,995 | 1,750
Total operating costs and expenses | 58,307 | 46,040 | 96,936 | 115,806
Operating loss | (8,231) | (22,930) | (34,282) | (15,835)
Interest income | 369 | 397 | 925 | 839
Net realized gain (loss) on investments | (565) | 3 | (1,012) | 851
Total other income (expense) | (196) | 400 | (87) | 1,690
Loss before (provision for) benefit from income taxes | (8,427) | (22,530) | (34,369) | (14,145)
(Provision for) benefit from income taxes | (4,689) | 9,050 | (3,317) | 5,778
Net loss including noncontrolling interests in operating subsidiaries | (13,116) | (13,480) | (37,686) | (8,367)
Net loss attributable to noncontrolling interests in operating subsidiaries | 167 | 977 | 316 | 977
Net loss attributable to Acacia Research Corporation | (12,949) | (12,503) | (37,370) | (7,390)
Net loss available to common stockholders, basic | (13,154) | (12,638) | (37,781) | (7,525)
Net loss available to common stockholders, diluted | $ (13,154) | $ (12,638) | $ (37,781) | $ (7,525)
Basic loss per common share | $ (0.27) | $ (0.26) | $ (0.78) | $ (0.16)
Diluted loss per common share | $ (0.27) | $ (0.26) | $ (0.78) | $ (0.16)
Weighted average number of shares outstanding, basic | 48,543,334 | 48,008,998 | 48,436,946 | 47,934,810
Weighted average number of shares outstanding, diluted | 48,543,334 | 48,008,998 | 48,436,946 | 47,934,810
Common Stock, Dividends, Per Share, Cash Paid | $ 0.125 | $ 0.125 | $ 0.250 | $ 0.125

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