Note 8 - Credit Quality of Financing Receivables (Details) - Aging of Financing Receivables by Portfolio Class - USD ($) $ in Thousands	Jun. 30, 2015	Jun. 30, 2014
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables past due	$ 2,782	$ 47
Financing receivables, current	545,460	461,046
Financing receivables, total	548,242	461,093
Financing Receivables, 31 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables past due	2,741
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables past due	41	47
Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables past due	2,770	43
Financing receivables, current	228,573	251,781
Financing receivables, total	231,343	251,824
Commercial Portfolio Segment [Member] | Financing Receivables, 31 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables past due	2,733
Commercial Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables past due	37	43
Education Government Non Profit Leases [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables past due	12	4
Financing receivables, current	70,378	78,107
Financing receivables, total	70,390	78,111
Education Government Non Profit Leases [Member] | Financing Receivables, 31 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables past due	8
Education Government Non Profit Leases [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables past due	4	4
Commercial And Industrial Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, current	238,986	123,251
Financing receivables, total	238,986	123,251
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, current	7,523	7,907
Financing receivables, total	$ 7,523	$ 7,907