Note 11 - Related-party Transactions (Details Textual) - USD ($) |
May 03, 2019 |
Jun. 30, 2019 |
|---|---|---|
| Chief Executive Officer [Member] | Severance Pay [Member] | ||
| Related Party Transaction, Amounts of Transaction | $ 1,091,000 | |
| Majority Investors [Member] | ||
| Notes Payable, Related Parties | $ 5,500,000 |
| X | ||||||||||
- Definition The amount for notes payable (written promise to pay), due to related parties. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of transactions with related party during the financial reporting period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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