Note 18 - Fair Value of Financial Measurements and Disclosures - Quantitative Information about Level 3 Fair Value Measurements (Details)	3 Months Ended
Dec. 31, 2016 USD ($)
Structured Settlements at Fair Value	$ 91,505,000
Income Approach Valuation Technique [Member]
Structured Settlements at Fair Value	$ 91,505,000
Rate	4.85%

Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

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