License, Settlement and Release Agreement	12 Months Ended
Dec. 31, 2016
License Settlement And Release Agreement [Abstract]
License, Settlement and Release Agreement	LICENSE, SETTLEMENT AND RELEASE AGREEMENT On December 28, 2016, Finjan entered into a Confidential Patent License Agreement (the “December 2016 License”) with F5 Networks, Inc. (“F5”). The December 2016 License provides for F5 to pay a license fee of $4.0 million in cash, which Finjan received on December 30, 2016. Finjan recognized all of the $4.0 million license as revenue as of December 31, 2016, as such amount was determined to be fixed and determinable, in accordance with the Company’s revenue recognition policy as described in Note 3. In exchange for the foregoing and other valuable consideration, Finjan agreed to, subject to certain restrictions, limits and other conditions, grant F5 a nonexclusive, irrevocable (except in the case of non-payment by F5), worldwide paid-up license under Finjan’s patents as specified in the December 2016 License. On September 21, 2016, following a two-week trial, a Jury in the Northern District of California returned a verdict that all five Finjan Patents were found literally infringed by Sophos, Inc. ("Sophos"). The jury verdict, deciding that Finjan was entitled to $15 million in damages for Sophos’ infringement. Finjan has not received any revenue from the lawsuit with Sophos. On June 30, 2016, Finjan entered into a Confidential Patent License Agreement (the “June 30, 2016 License”) with a European cloud-based network security firm (the “2016 European Licensee”). The June 30, 2016 License provides for the 2016 European Licensee to pay Finjan $565,000 in cash, which was paid on or about the time of execution of the June 30, 2016 License. Finjan recognized all of the $565,000 license as revenue as of December 31, 2016, as such amount was determined to be fixed and determinable, in accordance with the Company’s revenue recognition policy as described in Note 3. In exchange for the foregoing and other valuable consideration, Finjan agreed to, subject to certain restrictions, limits and other conditions, grant the 2016 European Licensee a nonexclusive, term license in the United States under Finjan’s U.S. patents as specified in the June 30, 2016 License. On June 3, 2016, Finjan entered into a Confidential Patent License, Settlement and Release Agreement (“June 3, 2016 License”) with Proofpoint, Inc. (“Proofpoint”). As part of the June 3, 2016 License, Case No. 3:15-cv-5808-HSG, entitled Finjan, Inc. v. Proofpoint, Inc. and Armorize Technologies, Inc., pending before the Honorable Haywood S. Gilliam, Jr. in the U.S. District Court for the Northern District of California, was dismissed with prejudice on June 7, 2016. The June 3, 2016 License provides for Proofpoint to pay Finjan the sum of $10.9 million in cash, in which $4.3 million was received on June 6, 2016, $3.3 million was received in December 28, 2016, and $3.3 million is payable on or before January 3, 2018. The Company recognized $7.6 million of the $10.9 million license as revenues as of December 31, 2016, as such amount was determined to be fixed and determinable, in accordance with the Company’s revenue recognition policy as described in Note 3. The remaining balance of $3.3 million under the terms of the June 3, 2016 License will be recognized as revenue when the payment is due. In exchange for the foregoing and other valuable consideration, Finjan agreed to, subject to certain restrictions, limits and other conditions, grant Proofpoint a worldwide, non-royalty bearing, fully paid-up (as of the final payment), nonexclusive, perpetual, irrevocable (except in the case of non-payment by Proofpoint or other material breach) license under Finjan’s patents as specified in the June 3, 2016 License. Certain portions of the June 3, 2016 License are subject to Confidential Treatment pursuant to a Confidential Treatment request filed with the Securities and Exchange Commission (“SEC”) on August 8, 2016 and Confidential Treatment Order granted by the SEC on September 26, 2016. On December 30, 2015, Finjan entered into a Confidential Patent License, Settlement and Release Agreement (“December 30, 2015 License”), effective December 29, 2015, with a United States-based third party (“Licensee”). The December 30, 2015 License provides for Licensee to pay Finjan the sum of $3.65 million in cash, in which $1.0 million was received on December 30, 2015, $1.65 million was received on June 27, 2016, and $1.0 million was received on September 1, 2016. The Company recognized $1.0 million of the $3.65 million license as revenues as of December 31, 2015. The remaining balance of $2.65 million under the terms of the December 30, 2015 License was recognized as revenues as of December 31, 2016. In exchange for the foregoing and other valuable consideration, Finjan agreed to, subject to certain restrictions, limits and other conditions, grant Licensee a non-exclusive, irrevocable (except in the case of non-payment by Licensee or other material breach), worldwide license under Finjan Patents during the Term as specified in the December 30, 2015 License. On April 7, 2015, Finjan entered into a Confidential Asset Purchase and Patent License Agreement (the “April 7, 2015 License”), effective as of April 7, 2015, with F-Secure Corporation, a company incorporated in Finland (“F-Secure”). The April 7, 2015 License provides for F-Secure to pay Finjan the sum of $1.0 million in cash, of which $700,000 was received on April 22, 2015 and $300,000 received on March 31, 2016. The Company recognized $700,000 of the $1.0 million license as revenues as of September 30, 2015, as such amount was determined to be fixed and determinable, in accordance with the Company’s revenue recognition policy as described in Note 3. The remaining balance of $300,000 under the terms of the April 7, 2015 License, recognized as revenues as of March 31, 2016. Finjan agreed to, subject to certain restrictions, limits and other conditions, grant F-Secure a worldwide, fully-paid, non-exclusive field of use license to Finjan patents owned as of the effective date or acquired by Finjan or its affiliates within two years from the effective date, as well as to the F-Secure Patents. On September 24, 2014, Finjan entered into a Confidential Patent License, Settlement and Release Agreement (the “September 24, 2014 License”) with Websense, Inc. (“Websense”) against whom Finjan had filed a patent infringement lawsuit. Pursuant to this September 24, 2014 License, Websense and Finjan also agreed to dismiss the infringement litigation, and each party gave the other a general release for all claims that it might have against the other, known or unknown, based on the actions of either party on or before the date of the settlement. Under the September 24, 2014 License, Websense will pay Finjan a license fee of $8.0 million payable in four installments. The first installment of $3.0 million was paid upon execution of the agreement and filing of the dismissal with prejudice, the second installment of $2.0 million was received on January 16, 2015, the third installment of $2.0 million was received on January 14, 2016. The fourth and final installment of $1.0 million was received on January 13, 2017. The Company recognized approximately $5.0 million of the $8.0 million license as revenues during 2014. The remaining balance of $3.0 million under the terms of the September 24, 2014 License will be recognized as revenues when the payments are due. Each party also agreed to bear its own legal fees and costs. The Company recognized $0.8 million of legal fees related to this settlement as cost of revenues. At December 31, 2014, the second installment of $2.0 million was recognized as revenue and accounts receivable, and was received on January 16, 2015. The January 2016 payment was recognized as revenue in 2016. At December 31, 2016, the fourth and final installment of $1.0 million was recognized as revenue and accounts receivable, and was received on January 13, 2017.

LICENSE, SETTLEMENT AND RELEASE AGREEMENT

On December 28, 2016, Finjan entered into a Confidential Patent License Agreement (the “December 2016 License”) with F5 Networks, Inc. (“F5”). The December 2016 License provides for F5 to pay a license fee of $4.0 million in cash, which Finjan received on December 30, 2016. Finjan recognized all of the $4.0 million license as revenue as of December 31, 2016, as such amount was determined to be fixed and determinable, in accordance with the Company’s revenue recognition policy as described in Note 3. In exchange for the foregoing and other valuable consideration, Finjan agreed to, subject to certain restrictions, limits and other conditions, grant F5 a nonexclusive, irrevocable (except in the case of non-payment by F5), worldwide paid-up license under Finjan’s patents as specified in the December 2016 License.

On September 21, 2016, following a two-week trial, a Jury in the Northern District of California returned a verdict that all five Finjan Patents were found literally infringed by Sophos, Inc. ("Sophos"). The jury verdict, deciding that Finjan was entitled to $15 million in damages for Sophos’ infringement. Finjan has not received any revenue from the lawsuit with Sophos.

On June 30, 2016, Finjan entered into a Confidential Patent License Agreement (the “June 30, 2016 License”) with a European cloud-based network security firm (the “2016 European Licensee”). The June 30, 2016 License provides for the 2016 European Licensee to pay Finjan $565,000 in cash, which was paid on or about the time of execution of the June 30, 2016 License. Finjan recognized all of the $565,000 license as revenue as of December 31, 2016, as such amount was determined to be fixed and determinable, in accordance with the Company’s revenue recognition policy as described in Note 3. In exchange for the foregoing and other valuable consideration, Finjan agreed to, subject to certain restrictions, limits and other conditions, grant the 2016 European Licensee a nonexclusive, term license in the United States under Finjan’s U.S. patents as specified in the June 30, 2016 License.

On June 3, 2016, Finjan entered into a Confidential Patent License, Settlement and Release Agreement (“June 3, 2016 License”) with Proofpoint, Inc. (“Proofpoint”). As part of the June 3, 2016 License, Case No. 3:15-cv-5808-HSG, entitled Finjan, Inc. v. Proofpoint, Inc. and Armorize Technologies, Inc., pending before the Honorable Haywood S. Gilliam, Jr. in the U.S. District Court for the Northern District of California, was dismissed with prejudice on June 7, 2016. The June 3, 2016 License provides for Proofpoint to pay Finjan the sum of $10.9 million in cash, in which $4.3 million was received on June 6, 2016, $3.3 million was received in December 28, 2016, and $3.3 million is payable on or before January 3, 2018. The Company recognized $7.6 million of the $10.9 million license as revenues as of December 31, 2016, as such amount was determined to be fixed and determinable, in accordance with the Company’s revenue recognition policy as described in Note 3. The remaining balance of $3.3 million under the terms of the June 3, 2016 License will be recognized as revenue when the payment is due. In exchange for the foregoing and other valuable consideration, Finjan agreed to, subject to certain restrictions, limits and other conditions, grant Proofpoint a worldwide, non-royalty bearing, fully paid-up (as of the final payment), nonexclusive, perpetual, irrevocable (except in the case of non-payment by Proofpoint or other material breach) license under Finjan’s patents as specified in the June 3, 2016 License. Certain portions of the June 3, 2016 License are subject to Confidential Treatment pursuant to a Confidential Treatment request filed with the Securities and Exchange Commission (“SEC”) on August 8, 2016 and Confidential Treatment Order granted by the SEC on September 26, 2016.

On December 30, 2015, Finjan entered into a Confidential Patent License, Settlement and Release Agreement (“December 30, 2015 License”), effective December 29, 2015, with a United States-based third party (“Licensee”). The December 30, 2015 License provides for Licensee to pay Finjan the sum of $3.65 million in cash, in which $1.0 million was received on December 30, 2015, $1.65 million was received on June 27, 2016, and $1.0 million was received on September 1, 2016. The Company recognized $1.0 million of the $3.65 million license as revenues as of December 31, 2015. The remaining balance of $2.65 million under the terms of the December 30, 2015 License was recognized as revenues as of December 31, 2016. In exchange for the foregoing and other valuable consideration, Finjan agreed to, subject to certain restrictions, limits and other conditions, grant Licensee a non-exclusive, irrevocable (except in the case of non-payment by Licensee or other material breach), worldwide license under Finjan Patents during the Term as specified in the December 30, 2015 License.

On April 7, 2015, Finjan entered into a Confidential Asset Purchase and Patent License Agreement (the “April 7, 2015 License”), effective as of April 7, 2015, with F-Secure Corporation, a company incorporated in Finland (“F-Secure”). The April 7, 2015 License provides for F-Secure to pay Finjan the sum of $1.0 million in cash, of which $700,000 was received on April 22, 2015 and $300,000 received on March 31, 2016. The Company recognized $700,000 of the $1.0 million license as revenues as of September 30, 2015, as such amount was determined to be fixed and determinable, in accordance with the Company’s revenue recognition policy as described in Note 3. The remaining balance of $300,000 under the terms of the April 7, 2015 License, recognized as revenues as of March 31, 2016. Finjan agreed to, subject to certain restrictions, limits and other conditions, grant F-Secure a worldwide, fully-paid, non-exclusive field of use license to Finjan patents owned as of the effective date or acquired by Finjan or its affiliates within two years from the effective date, as well as to the F-Secure Patents.

On September 24, 2014, Finjan entered into a Confidential Patent License, Settlement and Release Agreement (the “September 24, 2014 License”) with Websense, Inc. (“Websense”) against whom Finjan had filed a patent infringement lawsuit. Pursuant to this September 24, 2014 License, Websense and Finjan also agreed to dismiss the infringement litigation, and each party gave the other a general release for all claims that it might have against the other, known or unknown, based on the actions of either party on or before the date of the settlement. Under the September 24, 2014 License, Websense will pay Finjan a license fee of $8.0 million payable in four installments. The first installment of $3.0 million was paid upon execution of the agreement and filing of the dismissal with prejudice, the second installment of $2.0 million was received on January 16, 2015, the third installment of $2.0 million was received on January 14, 2016. The fourth and final installment of $1.0 million was received on January 13, 2017. The Company recognized approximately $5.0 million of the $8.0 million license as revenues during 2014. The remaining balance of $3.0 million under the terms of the September 24, 2014 License will be recognized as revenues when the payments are due. Each party also agreed to bear its own legal fees and costs. The Company recognized $0.8 million of legal fees related to this settlement as cost of revenues. At December 31, 2014, the second installment of $2.0 million was recognized as revenue and accounts receivable, and was received on January 16, 2015. The January 2016 payment was recognized as revenue in 2016. At December 31, 2016, the fourth and final installment of $1.0 million was recognized as revenue and accounts receivable, and was received on January 13, 2017.