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Investment in Melt Pharmaceuticals, Inc. and Agreements - Related Party Transactions (Details Narrative) - Melt Pharmaceuticals, Inc. [Member] - USD ($) $ in Thousands | 1 Months Ended |
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Feb. 28, 2019 | Dec. 31, 2018 | Mar. 31, 2019
Royalty payment percentage on net sales |  | 8.00% |
Management Services Agreement [Member] |  |  |
Administrative expenses | $ 10 |  |
Reimbursable expenses due |  |  | $ 677

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