Quarterly report pursuant to Section 13 or 15(d)

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

v3.10.0.1
Note 5 - Fair Value Measurements - Assets and Liabilities Measured on a Recurring Basis (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Jun. 30, 2018
Total Assets $ 69,047 $ 59,764
Contingent Consideration 6,800
Fair Value, Inputs, Level 1 [Member]    
Total Assets 69,047 59,764
Contingent Consideration
Fair Value, Inputs, Level 2 [Member]    
Total Assets
Contingent Consideration
Fair Value, Inputs, Level 3 [Member]    
Total Assets
Contingent Consideration 6,800
Equity Securities [Member]    
Investments, Fair Value Disclosure [1] 52,084 54,286
Equity Securities [Member] | Fair Value, Inputs, Level 1 [Member]    
Investments, Fair Value Disclosure [1] 52,084 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]
Certificates of Deposit [Member]    
Investments, Fair Value Disclosure [2] 16,963 5,478
Certificates of Deposit [Member] | Fair Value, Inputs, Level 1 [Member]    
Investments, Fair Value Disclosure [2] 16,963 5,478
Certificates of Deposit [Member] | Fair Value, Inputs, Level 2 [Member]    
Investments, Fair Value Disclosure [2]
Certificates of Deposit [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 September 30, 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.