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Note 7 - Debt - Long-term Debt (Details) - USD ($)
Jun. 30, 2016
Jun. 30, 2015
Line of Credit [Member]    
Funded Debt $ 93,000,000 $ 103,000,000
Total funded debt 93,000,000 103,000,000
Other Funded Debt [Member]    
Funded Debt 18,000 31,000
Total funded debt 18,000 31,000
Funded Debt 93,018,000 103,031,000
Total funded debt 93,018,000 103,031,000
Issuance costs (904,000) (1,278,000)
Total long-term debt $ 92,114,000 $ 101,753,000