Note 12. Fair Value - Recurring Fair Value Measurements (Details) - USD ($) $ in Thousands | Mar. 31, 2020 | Jun. 30, 2019 |
Recurring Fair Value Measurements: | | |
Trading Securities: Mutual funds in nonqualified SERP | $ 10,591 | $ 11,774 |
Fair Value, Measurements, Recurring | | |
Recurring Fair Value Measurements: | | |
Total assets at fair value | 101,968 | 115,769 |
Contingent earn-out liability | | 360 |
Total liabilities at fair value | | 360 |
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1 | | |
Recurring Fair Value Measurements: | | |
Total assets at fair value | 79,618 | 51,790 |
Contingent earn-out liability | | 0 |
Total liabilities at fair value | | 0 |
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | | |
Recurring Fair Value Measurements: | | |
Total assets at fair value | 20,850 | 62,479 |
Contingent earn-out liability | | 0 |
Total liabilities at fair value | | 0 |
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | | |
Recurring Fair Value Measurements: | | |
Total assets at fair value | 1,500 | 1,500 |
Contingent earn-out liability | | 360 |
Total liabilities at fair value | | 360 |
Warrant | Fair Value, Measurements, Recurring | | |
Recurring Fair Value Measurements: | | |
Derivatives: Stock Warrants | 1,500 | 1,500 |
Warrant | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1 | | |
Recurring Fair Value Measurements: | | |
Derivatives: Stock Warrants | 0 | 0 |
Warrant | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | | |
Recurring Fair Value Measurements: | | |
Derivatives: Stock Warrants | 0 | 0 |
Warrant | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | | |
Recurring Fair Value Measurements: | | |
Derivatives: Stock Warrants | 1,500 | 1,500 |
Money Market Funds | Fair Value, Measurements, Recurring | | |
Recurring Fair Value Measurements: | | |
Cash equivalents | 69,027 | 40,016 |
Money Market Funds | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1 | | |
Recurring Fair Value Measurements: | | |
Cash equivalents | 69,027 | 40,016 |
Money Market Funds | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | | |
Recurring Fair Value Measurements: | | |
Cash equivalents | 0 | 0 |
Money Market Funds | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | | |
Recurring Fair Value Measurements: | | |
Cash equivalents | 0 | 0 |
Commercial Paper | Fair Value, Measurements, Recurring | | |
Recurring Fair Value Measurements: | | |
Cash equivalents | 7,192 | 29,408 |
Commercial Paper | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1 | | |
Recurring Fair Value Measurements: | | |
Cash equivalents | 0 | 0 |
Commercial Paper | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | | |
Recurring Fair Value Measurements: | | |
Cash equivalents | 7,192 | 29,408 |
Commercial Paper | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | | |
Recurring Fair Value Measurements: | | |
Cash equivalents | 0 | 0 |
Certificates of Deposit | | |
Recurring Fair Value Measurements: | | |
Available-for-sale Securities | 6,220 | 11,230 |
Certificates of Deposit | Fair Value, Measurements, Recurring | | |
Recurring Fair Value Measurements: | | |
Available-for-sale Securities | 6,220 | 11,230 |
Certificates of Deposit | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1 | | |
Recurring Fair Value Measurements: | | |
Available-for-sale Securities | 0 | 0 |
Certificates of Deposit | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | | |
Recurring Fair Value Measurements: | | |
Available-for-sale Securities | 6,220 | 11,230 |
Certificates of Deposit | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | | |
Recurring Fair Value Measurements: | | |
Available-for-sale Securities | 0 | 0 |
Municipal Bonds | | |
Recurring Fair Value Measurements: | | |
Available-for-sale Securities | 0 | 1,922 |
Municipal Bonds | Fair Value, Measurements, Recurring | | |
Recurring Fair Value Measurements: | | |
Available-for-sale Securities | | 1,922 |
Municipal Bonds | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1 | | |
Recurring Fair Value Measurements: | | |
Available-for-sale Securities | | 0 |
Municipal Bonds | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | | |
Recurring Fair Value Measurements: | | |
Available-for-sale Securities | | 1,922 |
Municipal Bonds | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | | |
Recurring Fair Value Measurements: | | |
Available-for-sale Securities | | 0 |
US Treasury and Federal Agencies | | |
Recurring Fair Value Measurements: | | |
Available-for-sale Securities | 7,438 | 19,919 |
US Treasury and Federal Agencies | Fair Value, Measurements, Recurring | | |
Recurring Fair Value Measurements: | | |
Available-for-sale Securities | 7,438 | 19,919 |
US Treasury and Federal Agencies | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1 | | |
Recurring Fair Value Measurements: | | |
Available-for-sale Securities | 0 | 0 |
US Treasury and Federal Agencies | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | | |
Recurring Fair Value Measurements: | | |
Available-for-sale Securities | 7,438 | 19,919 |
US Treasury and Federal Agencies | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | | |
Recurring Fair Value Measurements: | | |
Available-for-sale Securities | 0 | 0 |
Mutual Fund | Fair Value, Measurements, Recurring | | |
Recurring Fair Value Measurements: | | |
Trading Securities: Mutual funds in nonqualified SERP | 10,591 | 11,774 |
Mutual Fund | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1 | | |
Recurring Fair Value Measurements: | | |
Trading Securities: Mutual funds in nonqualified SERP | 10,591 | 11,774 |
Mutual Fund | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | | |
Recurring Fair Value Measurements: | | |
Trading Securities: Mutual funds in nonqualified SERP | 0 | 0 |
Mutual Fund | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | | |
Recurring Fair Value Measurements: | | |
Trading Securities: Mutual funds in nonqualified SERP | $ 0 | $ 0 |