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Investment in Surface Pharmaceuticals, Inc. and Agreements - Related Party Transactions (Details Narrative) - USD ($) $ in Thousands | 1 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Jan. 31, 2018 | Sep. 30, 2018 | Dec. 31, 2017
Reimbursable expenses due |  | $ 50 |
Surface Pharmaceuticals Inc [Member] |  |  |
Number of shares owned |  | 3,500,000 |
Ownership percentage |  | 30.00% |
Surface Pharmaceuticals Inc [Member] | Dr. Lindstrom [Member] |  |  |
Royalty payments, percentage |  | 3.00% |
Surface License Agreements [Member] |  |  |
Royalty payment description |  | Surface is required to make royalty payments to the Company of four to six percent (4%-6%) of net sales of the Surface Products while any patent rights remain outstanding. |
Proceeds from the sale of equity securities |  | $ 10,000 |
Management Services Agreement [Member] | Surface Pharmaceuticals Inc [Member] |  |  |
Administrative expenses | $ 10 |  |
Reimbursable expenses due |  | $ 50 |

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