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Note 7 - Goodwill and Other Intangible Assets (Details Textual) $ in Thousands |  | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Mar. 01, 2020 USD ($) | Jun. 30, 2021 USD ($) | May 21, 2021 USD ($) | Mar. 31, 2021 USD ($) | Mar. 01, 2021 USD ($) | Jun. 30, 2020 USD ($)
Number of Reporting Units |  | 2 |  |  |  |
Intangible Assets, Indefinite-lived, Amount of Fair Value in Excess of Carrying Amount | $ 16,800 |  |  | $ 15,700 |  |
Intangible Assets, Indefinite-lived, Percentage of Fair Value in Excess of Carrying Amount | 392.00% |  |  | 358.00% |  |
Goodwill, Ending Balance |  | $ 43,788 |  |  |  | $ 10,373
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) | $ 0 |  |  |  |  |
JSI Store Fixtures [Member] |  |  |  |  |  |
Goodwill, Ending Balance |  |  | $ 33,415 |  |  |
Lighting Segment [Member] |  |  |  |  |  |
Number of Reporting Units |  | 1 |  |  |  |
Reporting Unit, Amount of Fair Value in Excess of Carrying Amount |  |  |  |  | $ 28,200 |
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount |  |  |  |  | 26.00% |
Goodwill, Ending Balance |  | $ 9,208 |  |  |  | 9,208
Good will Impairment Testing Value Above Carrying Value | $ 31,600 |  |  |  |  |
Good will Impairment Testing Percent Value Above Carrying Value | 33.00% |  |  |  |  |
Display Solutions Segment [Member] |  |  |  |  |  |
Reporting Unit, Amount of Fair Value in Excess of Carrying Amount |  |  |  |  | $ 11,400 |
Reporting Units, Percentage of Fair Value in Excess of Carrying Amount |  |  |  |  | 2065.00% |
Goodwill, Ending Balance |  | $ 34,580 |  |  |  | $ 1,165
Good will Impairment Testing Value Above Carrying Value | $ 4,700 |  |  |  |  |
Good will Impairment Testing Percent Value Above Carrying Value | 619.00% |  |  |  |  |

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