Note 12 - Portfolio by Valuation Category (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Fair Value, Inputs, Level 1 [Member] | Cash Equivalents [Member]
Fair Value	$ 672	$ 1,064
Fair Value, Inputs, Level 1 [Member] | Fixed Income Securities [Member]
Fair Value
Fair Value, Inputs, Level 1 [Member] | Equity Securities [Member]
Fair Value	28,639	27,960
Fair Value, Inputs, Level 1 [Member] | Mutual and Pooled Funds [Member]
Fair Value	30,057	31,873
Fair Value, Inputs, Level 1 [Member]
Fair Value	59,368	60,897
Fair Value, Inputs, Level 2 [Member] | Cash Equivalents [Member]
Fair Value
Fair Value, Inputs, Level 2 [Member] | Fixed Income Securities [Member]
Fair Value	20,342	21,058
Fair Value, Inputs, Level 2 [Member] | Equity Securities [Member]
Fair Value	2,435	3,210
Fair Value, Inputs, Level 2 [Member] | Mutual and Pooled Funds [Member]
Fair Value	30,060	33,538
Fair Value, Inputs, Level 2 [Member]
Fair Value	52,837	57,806
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	2,810	4,084
Fair Value, Inputs, Level 3 [Member]
Fair Value	2,810	4,084	$ 3,895
Cash Equivalents [Member]
Fair Value	$ 672	$ 1,064
Asset Allocation	0.00%	1.00%
Fixed Income Securities [Member]
Fair Value	$ 20,342	$ 21,058
Asset Allocation	18.00%	17.00%
Equity Securities [Member]
Fair Value	$ 31,074	$ 31,170
Asset Allocation	27.00%	25.00%
Mutual and Pooled Funds [Member]
Fair Value	$ 62,927	$ 69,495
Asset Allocation	55.00%	57.00%
Fair Value	$ 115,015	$ 122,787
Asset Allocation	100.00%	100.00%