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Note 13 - Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Jun. 30, 2020 | May 31, 2020 | Jun. 30, 2019
--- | --- | --- | ---
Deferred tax assets: |  |  |
Leases | $ 32,184 |  |
Employee compensation accruals | 2,259 |  | 2,697
Stock-based compensation | 670 |  | 715
Deferred rent |  |  | 4,184
Net operating loss carryforwards | 2,002 |  | 4,259
Property, plant and equipment | 1,020 |  | 1,021
Other | 2,825 |  | 2,341
Subtotal deferred tax assets | 40,960 |  | 15,217
Less: Valuation allowance | (3,158) | $ (2,600) | (3,197)
Total deferred tax assets | 37,802 |  | 12,020
Operating lease right-of-use assets | 27,334 |  |
Intangible assets other than goodwill | 9,080 |  | 9,007
Commissions | 2,207 |  | 1,974
Other | 118 |  |
Total deferred tax liabilities | 38,739 |  | 10,981
Other assets | 137 |  | 2,108
Other non-current liabilities | 1,074 |  | 1,069
Total net deferred tax liability | $ (937) |  |
Total net deferred tax asset |  |  | $ 1,039

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