Note 8 - Credit Quality of Financing Receivables (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Jun. 30, 2015
Pass [Member] | Commercial Portfolio Segment [Member]
Risk classification of financing receivables	$ 174,679	$ 219,791
Pass [Member] | Education Government Non-profit Leases [Member]
Risk classification of financing receivables	58,344	69,865
Pass [Member] | Commercial and Industrial Loans [Member]
Risk classification of financing receivables	397,910	234,076
Pass [Member] | Commercial Real Estate Portfolio Segment [Member]
Risk classification of financing receivables	6,679	7,523
Pass [Member]
Risk classification of financing receivables	637,612	531,255
Special Mention [Member] | Commercial Portfolio Segment [Member]
Risk classification of financing receivables	6,308	6,080
Special Mention [Member] | Education Government Non-profit Leases [Member]
Risk classification of financing receivables	380	304
Special Mention [Member] | Commercial and Industrial Loans [Member]
Risk classification of financing receivables	3,719	4,910
Special Mention [Member] | Commercial Real Estate Portfolio Segment [Member]
Risk classification of financing receivables
Special Mention [Member]
Risk classification of financing receivables	10,407	11,294
Substandard [Member] | Commercial Portfolio Segment [Member]
Risk classification of financing receivables	241	5,435
Substandard [Member] | Education Government Non-profit Leases [Member]
Risk classification of financing receivables		217
Substandard [Member] | Commercial and Industrial Loans [Member]
Risk classification of financing receivables
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member]
Risk classification of financing receivables
Substandard [Member]
Risk classification of financing receivables	241	5,652
Doubtful [Member] | Commercial Portfolio Segment [Member]
Risk classification of financing receivables	10	37
Doubtful [Member] | Education Government Non-profit Leases [Member]
Risk classification of financing receivables	2	4
Doubtful [Member] | Commercial and Industrial Loans [Member]
Risk classification of financing receivables
Doubtful [Member] | Commercial Real Estate Portfolio Segment [Member]
Risk classification of financing receivables
Doubtful [Member]
Risk classification of financing receivables	12	41
Non-accrual [Member] | Commercial Portfolio Segment [Member]
Risk classification of financing receivables	10	37
Non-accrual [Member] | Education Government Non-profit Leases [Member]
Risk classification of financing receivables	2	4
Non-accrual [Member] | Commercial and Industrial Loans [Member]
Risk classification of financing receivables
Non-accrual [Member] | Commercial Real Estate Portfolio Segment [Member]
Risk classification of financing receivables
Non-accrual [Member]
Risk classification of financing receivables	12	41
Commercial Portfolio Segment [Member]
Risk classification of financing receivables	181,238	231,343
Education Government Non-profit Leases [Member]
Risk classification of financing receivables	58,726	70,390
Commercial and Industrial Loans [Member]
Risk classification of financing receivables	401,629	238,986
Commercial Real Estate Portfolio Segment [Member]
Risk classification of financing receivables	6,679	7,523
Risk classification of financing receivables	$ 648,272	$ 548,242