Note 7 - Term Debt - Future Contractual Maturities of Term Debt (Details) $ in Thousands	Sep. 30, 2017 USD ($)
2017	$ 167
2018	1,000
2019	1,000
2020	5,533
2021
Thereafter	10,000
Total future maturities	17,700
Senior Notes [Member]
2017	167
2018	1,000
2019	1,000
2020	5,533
2021
Thereafter
Total future maturities	7,700
Subordinated Debt [Member]
2017
2018
2019
2020
2021
Thereafter	10,000
Total future maturities	$ 10,000