Joint Venture and Investment in Equity Securities	12 Months Ended
Dec. 31, 2018
Equity Method Investments and Joint Ventures [Abstract]
Joint Venture and Investment in Equity Securities	3. JOINT VENTURE AND INVESTMENT IN EQUITY SECURITIES The Company has the following transactions with Inventergy Global, Inc. (NASDAQ: INVT). Joint Venture Agreement On June 16, 2016, the Company entered into a Definitive Agreement with Inventergy Innovations, LLC (“Inventergy”), a subsidiary of INVT. The Company partnered with Inventergy to monetize three (3) GTX Patents. Upon signing the Agreement, the Patents were assigned to an Inventergy subsidiary, and Inventergy assigned a 45% interest in the entity to GTX. Inventergy is also obligated to make a sequence of quarterly payments to GTX beginning in January 2017, which payments represent non-refundable advances against future royalty and other payments. Pursuant to a non-exclusive license back to GTX, GTX will still retain all use rights of the 3 patents. The Company uses the equity method to account for its 45% investment in the Inventergy subsidiary. Under the equity method, the Company recognizes its share of the earnings and losses of the subsidiary as they accrue instead of when they are realized. There have been no operations of the joint venture to date, and as of December 31, 2018 and 2017, the Company’s investment in the venture was $0. Investment in Equity Securities As of December 31, 2018, and December 31, 2017, we owned 42,500 shares of common stock of INVT at a closing with a fair value of $344 and $3,230 respectively. Our investment accounted for less than a 5% interest in the equity of this Company. Through December 31, 2017, the Company previously accounted for this as an investment in available for sale securities, and as such unrealized gains and losses were recorded as adjustment to accumulated other comprehensive income. During 2017, the Company reflected an unrealized loss of $59,249 on this investment. In January 2018, the Company adopted ASU 2016-01, Financial Instruments (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities (“ASU 2016-01 using the modified retrospective transition method. Upon adoption, we reclassified $59,249 related to available-for-sale investment securities from accumulated other comprehensive loss to accumulated deficit as a cumulative-effect adjustment. Under the new guidance, these securities will continue to be measured at fair value; however, the changes in unrealized net holding gains and losses will be reported in earnings. Comparative information continues to be reported under the accounting standards in effect for the period. The effect of the change for the twelve months ended December 31, 2018 was an increase to net loss of approximately $2,886, which is included in Other income (expense) on the Condensed Consolidated Statements of Operations. Sales to INVT During the years ended December 31, 2018 and 2017, the Company provided IP consulting services to INVT in the amounts of $50,000 and $116,653, respectively.

Joint Venture and Investment in Equity Securities

12 Months Ended

Dec. 31, 2018

Equity Method Investments and Joint Ventures [Abstract]

Joint Venture and Investment in Equity Securities

3. JOINT VENTURE AND INVESTMENT IN EQUITY SECURITIES

The Company has the following transactions with Inventergy Global, Inc. (NASDAQ: INVT).

Joint Venture Agreement

On June 16, 2016, the Company entered into a Definitive Agreement with Inventergy Innovations, LLC (“Inventergy”), a subsidiary of INVT. The Company partnered with Inventergy to monetize three (3) GTX Patents. Upon signing the Agreement, the Patents were assigned to an Inventergy subsidiary, and Inventergy assigned a 45% interest in the entity to GTX. Inventergy is also obligated to make a sequence of quarterly payments to GTX beginning in January 2017, which payments represent non-refundable advances against future royalty and other payments. Pursuant to a non-exclusive license back to GTX, GTX will still retain all use rights of the 3 patents.

The Company uses the equity method to account for its 45% investment in the Inventergy subsidiary. Under the equity method, the Company recognizes its share of the earnings and losses of the subsidiary as they accrue instead of when they are realized. There have been no operations of the joint venture to date, and as of December 31, 2018 and 2017, the Company’s investment in the venture was $0.

Investment in Equity Securities

As of December 31, 2018, and December 31, 2017, we owned 42,500 shares of common stock of INVT at a closing with a fair value of $344 and $3,230 respectively. Our investment accounted for less than a 5% interest in the equity of this Company. Through December 31, 2017, the Company previously accounted for this as an investment in available for sale securities, and as such unrealized gains and losses were recorded as adjustment to accumulated other comprehensive income. During 2017, the Company reflected an unrealized loss of $59,249 on this investment.

In January 2018, the Company adopted ASU 2016-01, Financial Instruments (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities (“ASU 2016-01 using the modified retrospective transition method. Upon adoption, we reclassified $59,249 related to available-for-sale investment securities from accumulated other comprehensive loss to accumulated deficit as a cumulative-effect adjustment. Under the new guidance, these securities will continue to be measured at fair value; however, the changes in unrealized net holding gains and losses will be reported in earnings. Comparative information continues to be reported under the accounting standards in effect for the period. The effect of the change for the twelve months ended December 31, 2018 was an increase to net loss of approximately $2,886, which is included in Other income (expense) on the Condensed Consolidated Statements of Operations.

Sales to INVT

During the years ended December 31, 2018 and 2017, the Company provided IP consulting services to INVT in the amounts of $50,000 and $116,653, respectively.