Note 10 - Other Debt - CBC - Component of Other Debt From Acquisition (Details) (Parentheticals) - USD ($)	3 Months Ended	12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	May 02, 2014	Dec. 31, 2013
Line of Credit Facility, Current Borrowing Capacity			$ 20,000,000
CBC [Member]
Line of Credit Facility, Current Borrowing Capacity				$ 12,500,000
CBC [Member] | Notes Payable Secured by Settlement Receivables with Principal and Interest Outstanding Payable until June 2025 [Member]
Notes payable secured by settlement receivables with principal and interest outstanding payable, maturity date	2025-06	2025-06
CBC [Member] | Notes Payable Secured by Settlement Receivables with Principal and Interest Outstanding Payable until August 2026 [Member]
Notes payable secured by settlement receivables with principal and interest outstanding payable, maturity date	2026-08	2026-08
CBC [Member] | Notes Payable Secured by Settlement Receivables with Principal and Interest Outstanding Payable until April 2032 [Member]
Notes payable secured by settlement receivables with principal and interest outstanding payable, maturity date	2032-04	2032-04
CBC [Member] | Notes Payable Secured by Settlement Receivables with Principal and Interest Outstanding Payable until February 2037 [Member]
Notes payable secured by settlement receivables with principal and interest outstanding payable, maturity date	2037-02	2037-02
CBC [Member] | Notes Payable Secured by Settlement Receivables with Principal and Interest Outstanding Payable until March 2034 [Member]
Notes payable secured by settlement receivables with principal and interest outstanding payable, maturity date	2034-03	2034-03
CBC [Member] | Notes Payable Secured by Settlement Receivables with Principal and Interest Outstanding Payable Until February 2043 [Member]
Notes payable secured by settlement receivables with principal and interest outstanding payable, maturity date	2043-02	2043-02
CBC [Member] | Line of Credit [Member]
Line of Credit Facility, Current Borrowing Capacity	$ 25,000,000	$ 25,000,000