Note 6 - Personal Injury Claims Funding (Details Textual) - USD ($)
3 Months Ended 6 Months Ended 18 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2020
Sep. 30, 2019
Income (Loss) from Equity Method Investments, Total $ (53,000) $ (56,000) $ (57,000) $ (86,000)    
Personal Injury Claims Income 165,000 456,000 541,000 1,169,000    
Personal Injury Claims, Net Reserve 1,400,000   1,400,000   $ 1,400,000 $ 1,200,000
Personal Injury Claims, (Write Offs) Recoveries (243,000) 45,000 60,000 (158,000)    
Simia Capital LLC [Member]            
Income (Loss) from Equity Method Investments, Total     1,000,000      
Personal Injury Claims Income 55,000 15,000 71,000 29,000    
Personal Injury Claims Assets           1,300,000
Sylvave, LLC [Member]            
Personal Injury Claims Income 94,000 441,000 440,000 1,140,000    
Personal Injury Claims Assets 2,400,000   2,400,000   2,400,000 3,700,000
Arthur Funding [Member]            
Personal Injury Claims Income 16,000 $ 0   $ 0 30,000  
Personal Injury Claims Assets $ 400,000   $ 400,000   $ 400,000 $ 200,000