Note 11 - Term Debt (Details) - Future Contractual Maturities of Term Debt $ in Thousands	Mar. 31, 2016 USD ($)
Note 11 - Term Debt (Details) - Future Contractual Maturities of Term Debt [Line Items]
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal Remainder of Fiscal Year	$ 699
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Two	1,041
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Three	1,044
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Four	1,046
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Five	1,009
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal after Year Five	15,000
Long-term debt, gross	19,839
Senior Notes [Member]
Note 11 - Term Debt (Details) - Future Contractual Maturities of Term Debt [Line Items]
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal Remainder of Fiscal Year	667
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Two	1,000
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Three	1,000
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Four	1,000
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Five	1,000
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal after Year Five	5,000
Long-term debt, gross	9,667
Subordinated Debt [Member]
Note 11 - Term Debt (Details) - Future Contractual Maturities of Term Debt [Line Items]
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal after Year Five	10,000
Long-term debt, gross	10,000
Capital Lease Obligations [Member]
Note 11 - Term Debt (Details) - Future Contractual Maturities of Term Debt [Line Items]
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal Remainder of Fiscal Year	32
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Two	41
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Three	44
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Four	46
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Five	9
Long-term debt, gross	$ 172