Note 13 - Commitments and Contingencies (Details Textual) $ in Millions |
May 31, 2019
USD ($)
|
|---|---|
| Operating Lease, Lease Not yet Commenced, Right-of-use Asset | $ 2.1 |
| Operating Lease, Lease Not yet Commenced, Lease Liability | $ 2.1 |
| Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract | 6 years |
| X | ||||||||||
- Definition Amount of obligation for lease payments from operating lease not yet commenced. No definition available.
|
| X | ||||||||||
- Definition Amount of lessee's right to use underlying asset under operating lease not yet commenced. No definition available.
|
| X | ||||||||||
- Definition Term of lessee's operating lease not yet commenced, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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