Note 10 - Other Debt - CBC - Component of Other Debt From Acquisition (Details) - USD ($)	Dec. 31, 2016	Sep. 30, 2016
Notes Payable, Noncurrent	$ 56,300,000	$ 57,300,000
Other Long-term Debt	$ 71,566,000	67,435,000
CBC [Member]
Interest Rate	4.10%
Notes Payable, Noncurrent	$ 56,302,000	57,281,000
Long-term Line of Credit	15,264,000	10,154,000
Other Long-term Debt	$ 71,566,000	67,435,000
CBC [Member] | Notes Payable Secured by Settlement Receivables with Principal and Interest Outstanding Payable until June 2025 [Member]
Interest Rate	8.75%
Notes Payable, Noncurrent	$ 1,817,000	1,862,000
CBC [Member] | Notes Payable Secured by Settlement Receivables with Principal and Interest Outstanding Payable until August 2026 [Member]
Interest Rate	7.25%
Notes Payable, Noncurrent	$ 4,138,000	4,242,000
CBC [Member] | Notes Payable Secured by Settlement Receivables with Principal and Interest Outstanding Payable until April 2032 [Member]
Interest Rate	7.125%
Notes Payable, Noncurrent	$ 3,948,000	3,987,000
CBC [Member] | Notes Payable Secured by Settlement Receivables with Principal and Interest Outstanding Payable until February 2037 [Member]
Interest Rate	5.39%
Notes Payable, Noncurrent	$ 18,601,000	18,978,000
CBC [Member] | Notes Payable Secured by Settlement Receivables with Principal and Interest Outstanding Payable until March 2034 [Member]
Interest Rate	5.07%
Notes Payable, Noncurrent	$ 14,193,000	14,507,000
CBC [Member] | Notes Payable Secured by Settlement Receivables with Principal and Interest Outstanding Payable Until February 2043 [Member]
Interest Rate	4.85%
Notes Payable, Noncurrent	$ 13,605,000	$ 13,705,000