Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Fair Value Measurements - Assets and Liabilities Measured on a Recurring Basis (Details)

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Note 5 - Fair Value Measurements - Assets and Liabilities Measured on a Recurring Basis (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Jun. 30, 2018
Total Assets $ 70,647 $ 59,764
Contingent Consideration 6,000
Derivative Instruments - Cash Flow Hedges 5,131
Total Liabilities 11,131
Fair Value, Inputs, Level 1 [Member]    
Total Assets 70,647 59,764
Contingent Consideration
Derivative Instruments - Cash Flow Hedges
Total Liabilities
Fair Value, Inputs, Level 2 [Member]    
Total Assets
Contingent Consideration
Derivative Instruments - Cash Flow Hedges 5,131
Total Liabilities 5,131
Fair Value, Inputs, Level 3 [Member]    
Total Assets
Contingent Consideration 6,000
Derivative Instruments - Cash Flow Hedges
Total Liabilities 6,000
Equity Securities [Member]    
Investments, Fair Value Disclosure 44,920 [1] 54,286
Equity Securities [Member] | Fair Value, Inputs, Level 1 [Member]    
Investments, Fair Value Disclosure 44,920 [1] 54,286
Equity Securities [Member] | Fair Value, Inputs, Level 2 [Member]    
Investments, Fair Value Disclosure [1]
Equity Securities [Member] | Fair Value, Inputs, Level 3 [Member]    
Investments, Fair Value Disclosure [1]
Corporate Debt Securities [Member]    
Investments, Fair Value Disclosure 25,727 [2] 5,478
Corporate Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]    
Investments, Fair Value Disclosure 25,727 [2] 5,478
Corporate Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]    
Investments, Fair Value Disclosure [2]
Corporate Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]    
Investments, Fair Value Disclosure [2]
[1] Included in available-for-sale investments on the balance sheet. The cost basis in the Company's investment in CCXI at December 31, 2018 and June 30, 2018 was $18.8 million
[2] Included in available-for-sale investments on the balance sheet. The certificate of deposits have contractual maturity dates within one year.