Note 11 - Portfolio by Valuation Category (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Jun. 30, 2014
Fair Value, Inputs, Level 1 [Member] | Cash Equivalents [Member]
Fair Value	$ 1,064	$ 1,105
Fair Value, Inputs, Level 1 [Member] | Fixed Income Securities [Member]
Fair Value
Fair Value, Inputs, Level 1 [Member] | Equity Securities [Member]
Fair Value	$ 27,960	$ 26,210
Fair Value, Inputs, Level 1 [Member] | Mutual and Pooled Funds [Member]
Fair Value	31,873	37,563
Fair Value, Inputs, Level 1 [Member]
Fair Value	$ 60,897	$ 64,878
Fair Value, Inputs, Level 2 [Member] | Cash Equivalents [Member]
Fair Value
Fair Value, Inputs, Level 2 [Member] | Fixed Income Securities [Member]
Fair Value	$ 21,058	$ 16,791
Fair Value, Inputs, Level 2 [Member] | Equity Securities [Member]
Fair Value	3,210	3,428
Fair Value, Inputs, Level 2 [Member] | Mutual and Pooled Funds [Member]
Fair Value	33,538	33,932
Fair Value, Inputs, Level 2 [Member]
Fair Value	$ 57,806	$ 54,151
Fair Value, Inputs, Level 3 [Member] | Cash Equivalents [Member]
Fair Value
Fair Value, Inputs, Level 3 [Member] | Fixed Income Securities [Member]
Fair Value
Fair Value, Inputs, Level 3 [Member] | Equity Securities [Member]
Fair Value
Fair Value, Inputs, Level 3 [Member] | Mutual and Pooled Funds [Member]
Fair Value	$ 4,084	$ 3,895
Fair Value, Inputs, Level 3 [Member]
Fair Value	4,084	3,895
Cash Equivalents [Member]
Fair Value	$ 1,064	$ 1,105
%	1.00%	1.00%
Fixed Income Securities [Member]
Fair Value	$ 21,058	$ 16,791
%	17.00%	14.00%
Equity Securities [Member]
Fair Value	$ 31,170	$ 29,638
%	25.00%	24.00%
Mutual and Pooled Funds [Member]
Fair Value	$ 69,495	$ 75,390
%	57.00%	61.00%
Fair Value	$ 122,787	$ 122,924
%	100.00%	100.00%