Related Party Transactions	3 Months Ended
Mar. 31, 2017
Related Party Transactions [Abstract]
Related Party Transactions	Note 3 - Related Party Transactions Due to Related Party The Company and other related entities have a commonality of ownership and/or management control, and as a result, the reported operating results and /or financial position of the Company could significantly differ from what would have been obtained if such entities were autonomous. The Company has a Master Services Agreement (“MSA”) with a related party, Autotelic Inc., effective January 1, 2015. Autotelic Inc. owns less than 10% of the Company. The MSA states that Autotelic Inc. will provide business functions and services to the Company and allows Autotelic Inc. to charge the Company for these expenses paid on its behalf. The MSA includes personnel costs allocated based on amount of time incurred and other services such as consultant fees, clinical studies, conferences and other operating expenses incurred on behalf of the Company. The MSA between Marina and Autotelic Inc. was effective on the reverse merger date of November 15, 2016. During the period commencing January 1, 2015 (the “Effective Date”) and ending on the date that the Company has completed an equity offering of either common or preferred stock in which the gross proceeds therefrom is no less than $10,000,000 (the “Equity Financing Date”), the Company shall pay Autotelic the following compensation: cash in an amount equal to the actual labor cost (paid on a monthly basis), plus warrants for shares of the Company’s common stock with a strike price equal to the fair market value of the Company’s common stock at the time said warrants are issued. The Company shall also pay Autotelic for the services provided by third party contractors plus 20% mark up. The warrant price per share is calculated based on the Black-Scholes model. After the Equity Financing Date, the Company shall pay Autotelic Inc. a cash amount equal to the actual labor cost plus 100% mark up of provided services and 20% mark up of provided services by third party contractors or material used in connection with the performance of the contracts, including but not limited to clinical trial, non-clinical trial, Contract Manufacturing Organizations (“CMO”), U.S. Food & Drug Administration (“FDA”) regulatory process, Contract Research Organizations (“CRO”) and Chemistry and Manufacturing Controls (“CMC”). In accordance with the MSA, Autotelic Inc. billed the Company for personnel and service expenses Autotelic Inc. incurred on behalf of the Company. Personnel cost charged by Autotelic Inc. were $158,140 and $41,991 for the three months ended on March 31, 2017 and 2016, respectively. For the three months ended March 31, 2017 and 2016, Autotelic Inc. billed a total of $213,103 and $72,231, including personnel costs (above), respectively. The unpaid balance of $200,333 is recorded as due to related party in the accompanying balance as of March 31, 2017. The Company agreed to issue warrants at a future date for the remaining balance due of $178,572, which is included in accrued expenses as of March 31, 2017. Convertible Notes Payable In July 2016, IThena issued convertible promissory notes with an aggregate principal balance of $50,000 to related-party investors. Borrowings under each of these convertible notes bore interest at 3% per annum and these notes mature on June 30, 2018. Upon the completion of certain funding events, the Company has the right to convert the outstanding principal amount of these notes into shares of the Company’s common stock at $1.80 per share. The notes were assumed by Autotelic Inc. on November 15, 2016 as part of its acquisition of the technology asset (IT-101). Convertible Notes Payable, Dr. Trieu In connection with the Merger, Marina entered into the Line Letter dated November 15, 2016 with Dr. Trieu, our Chairman of the Board, for an unsecured line of credit in an amount not to exceed $540,000, to be used for current operating expenses, as described in Note 1 above. Dr. Trieu has advanced an aggregate of $475,064 under the Line Letter as of March 31, 2017. Accrued interest on the Line Letter was $5,450 as of March 31, 2017 and is included in convertible notes payable to related parties on the accompanying balance sheets. On April 4, 2017, the Company entered into a Line Letter with Autotelic Inc., a stockholder of IThenaPharma that became the holder of 5,255,354 shares of Marina common stock as a result of the Merger, and an entity of which Dr. Trieu serves as Chairman of the Board, for an unsecured line of credit in an amount not to exceed $500,000, to be used for current operating expenses. Autotelic Inc. will consider requests for advances under the Line Letter until September 1, 2017. Autotelic Inc. shall have the right at any time for any reason in its sole and absolute discretion to terminate the line of credit available under the Line Letter or to reduce the maximum amount available thereunder without notice; provided, that Autotelic Inc. agreed that it shall not demand the repayment of any advances that are made under the Line Letter prior to the earlier of: (i) October 4, 2017; and (ii) the date on which (x) we make a general assignment for the benefit of our creditors, (y) we apply for or consents to the appointment of a receiver, a custodian, a trustee or liquidator of all or a substantial part of our assets or (z) we cease operations. Advances made under the Line Letter shall bear interest at the rate of five percent (5%) per annum, shall be evidenced by the Demand Promissory Note issued to Autotelic Inc., and shall be due and payable upon demand by Autotelic, Inc.

Related Party Transactions

3 Months Ended

Mar. 31, 2017

Note 3 - Related Party Transactions

Due to Related Party

The Company and other related entities have a commonality of ownership and/or management control, and as a result, the reported operating results and /or financial position of the Company could significantly differ from what would have been obtained if such entities were autonomous.

The Company has a Master Services Agreement (“MSA”) with a related party, Autotelic Inc., effective January 1, 2015. Autotelic Inc. owns less than 10% of the Company. The MSA states that Autotelic Inc. will provide business functions and services to the Company and allows Autotelic Inc. to charge the Company for these expenses paid on its behalf. The MSA includes personnel costs allocated based on amount of time incurred and other services such as consultant fees, clinical studies, conferences and other operating expenses incurred on behalf of the Company. The MSA between Marina and Autotelic Inc. was effective on the reverse merger date of November 15, 2016.

During the period commencing January 1, 2015 (the “Effective Date”) and ending on the date that the Company has completed an equity offering of either common or preferred stock in which the gross proceeds therefrom is no less than $10,000,000 (the “Equity Financing Date”), the Company shall pay Autotelic the following compensation: cash in an amount equal to the actual labor cost (paid on a monthly basis), plus warrants for shares of the Company’s common stock with a strike price equal to the fair market value of the Company’s common stock at the time said warrants are issued. The Company shall also pay Autotelic for the services provided by third party contractors plus 20% mark up. The warrant price per share is calculated based on the Black-Scholes model.

After the Equity Financing Date, the Company shall pay Autotelic Inc. a cash amount equal to the actual labor cost plus 100% mark up of provided services and 20% mark up of provided services by third party contractors or material used in connection with the performance of the contracts, including but not limited to clinical trial, non-clinical trial, Contract Manufacturing Organizations (“CMO”), U.S. Food & Drug Administration (“FDA”) regulatory process, Contract Research Organizations (“CRO”) and Chemistry and Manufacturing Controls (“CMC”).

In accordance with the MSA, Autotelic Inc. billed the Company for personnel and service expenses Autotelic Inc. incurred on behalf of the Company. Personnel cost charged by Autotelic Inc. were $158,140 and $41,991 for the three months ended on March 31, 2017 and 2016, respectively. For the three months ended March 31, 2017 and 2016, Autotelic Inc. billed a total of $213,103 and $72,231, including personnel costs (above), respectively. The unpaid balance of $200,333 is recorded as due to related party in the accompanying balance as of March 31, 2017. The Company agreed to issue warrants at a future date for the remaining balance due of $178,572, which is included in accrued expenses as of March 31, 2017.

Convertible Notes Payable

In July 2016, IThena issued convertible promissory notes with an aggregate principal balance of $50,000 to related-party investors. Borrowings under each of these convertible notes bore interest at 3% per annum and these notes mature on June 30, 2018. Upon the completion of certain funding events, the Company has the right to convert the outstanding principal amount of these notes into shares of the Company’s common stock at $1.80 per share. The notes were assumed by Autotelic Inc. on November 15, 2016 as part of its acquisition of the technology asset (IT-101).

Convertible Notes Payable, Dr. Trieu

In connection with the Merger, Marina entered into the Line Letter dated November 15, 2016 with Dr. Trieu, our Chairman of the Board, for an unsecured line of credit in an amount not to exceed $540,000, to be used for current operating expenses, as described in Note 1 above. Dr. Trieu has advanced an aggregate of $475,064 under the Line Letter as of March 31, 2017. Accrued interest on the Line Letter was $5,450 as of March 31, 2017 and is included in convertible notes payable to related parties on the accompanying balance sheets.

On April 4, 2017, the Company entered into a Line Letter with Autotelic Inc., a stockholder of IThenaPharma that became the holder of 5,255,354 shares of Marina common stock as a result of the Merger, and an entity of which Dr. Trieu serves as Chairman of the Board, for an unsecured line of credit in an amount not to exceed $500,000, to be used for current operating expenses. Autotelic Inc. will consider requests for advances under the Line Letter until September 1, 2017. Autotelic Inc. shall have the right at any time for any reason in its sole and absolute discretion to terminate the line of credit available under the Line Letter or to reduce the maximum amount available thereunder without notice; provided, that Autotelic Inc. agreed that it shall not demand the repayment of any advances that are made under the Line Letter prior to the earlier of: (i) October 4, 2017; and (ii) the date on which (x) we make a general assignment for the benefit of our creditors, (y) we apply for or consents to the appointment of a receiver, a custodian, a trustee or liquidator of all or a substantial part of our assets or (z) we cease operations. Advances made under the Line Letter shall bear interest at the rate of five percent (5%) per annum, shall be evidenced by the Demand Promissory Note issued to Autotelic Inc., and shall be due and payable upon demand by Autotelic, Inc.