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Note 16 - Segment Information (Details Textual) | 6 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Number of Company Operated Design Centers | 141 |
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Retail Segment [Member] |  |
Concentration Risk, Percentage | 85.70% | 79.70%
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Wholesale Segment [Member] |  |
Concentration Risk, Percentage | 14.30% |

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