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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