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Note 7 - Investment Properties (Details Textual) ¥ in Thousands, $ in Thousands |  | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Feb. 10, 2022 USD ($) | Feb. 10, 2022 CNY (¥) | Jun. 30, 2022 USD ($) | May 31, 2022 USD ($) | May 31, 2022 CNY (¥) | Jun. 30, 2021 USD ($) | Jun. 30, 2010 USD ($) | Jun. 30, 2010 CNY (¥) | Jun. 30, 2022 CNY (¥) | Jun. 30, 2021 CNY (¥) | May 21, 2021 m² | Mar. 31, 2010 USD ($) m² | Mar. 31, 2010 CNY (¥) m² | Jun. 30, 2008 USD ($) | Jun. 30, 2008 CNY (¥)
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land |  |  | $ 894 |  |  | $ 894 |  |  | ¥ 5,554 | ¥ 5,554 |  |  |  |  |
TTCQ [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lease, Operating Lease, Number of Properties |  |  |  |  |  |  |  |  |  |  | 2 | 2 | 2 |  |
Area of Real Estate Property (Square Metre) | m² |  |  |  |  |  |  |  |  |  |  | 154.49 | 311.99 | 311.99 |  |
Purchase Obligation, Total |  |  |  |  |  |  |  |  |  |  |  | $ 648 | ¥ 4,025 |  |
Lessee, Operating Lease, Term of Contract (Year) |  |  |  |  |  |  |  |  |  |  | 2 years |  |  |  |
Lessee, Operating Lease, Monthly Rate |  |  |  | $ 1 | ¥ 9 |  |  |  |  |  |  |  |  |  |
Mao Ye [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 894 | ¥ 5,554
Monthly Lease Revenue Amount | $ 2 | ¥ 14 |  |  |  |  |  |  |  |  |  |  |  |  |
Operating Lease, Lease Income, Total |  |  | 4 |  |  | 9 |  |  |  |  |  |  |  |  |
Depreciation, Total |  |  | 16 |  |  | 15 |  |  |  |  |  |  |  |  |
Jiang Huai [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land |  |  | 580 |  |  | 580 |  |  | 3,600 | 3,600 |  |  |  |  |
Depreciation, Total |  |  | 28 |  |  | 27 |  |  |  |  |  |  |  |  |
Payments to Acquire Projects |  |  |  |  |  |  | $ 580 | ¥ 3,600 |  |  |  |  |  |  |
FuLi [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land |  |  | 648 |  |  | 648 |  |  | ¥ 4,025 | ¥ 4,025 |  |  |  |  |
Operating Lease, Lease Income, Total |  |  | 21 |  |  | 19 |  |  |  |  |  |  |  |  |
Depreciation, Total |  |  | 31 |  |  | 30 |  |  |  |  |  |  |  |  |
CHINA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating Lease, Lease Income, Total |  |  | 25 |  |  | 28 |  |  |  |  |  |  |  |  |
Depreciation, Total |  |  | $ 75 |  |  | $ 72 |  |  |  |  |  |  |  |  |

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