Note 6 - Structured Settlements (At Fair Value) - Expected Cash Flows of Structured Settlements Based on Maturity Value (Details) - USD ($)		Dec. 31, 2016	Sep. 30, 2016
September 30, 2017 (9 months)		$ 7,635,000
September 30, 2018		8,556,000
September 30, 2019		8,914,000
September 30, 2020		8,371,000
September 30, 2021		9,105,000
Thereafter		100,645,000
Total	[1],[2]	$ 143,226,000	$ 133,059,000

[1] The maturity value represents the aggregate unpaid principal balance at December 31, 2016 and September 30, 2016.

[2] There are no amounts of structured settlements that are past due, or in nonaccrual status at December 31, 2016 and September 30, 2016.