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Note 6 - Inventories - Inventories (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Jun. 30, 2021	Jun. 30, 2020
Raw materials	$ 1,436	$ 1,152
Work in progress	1,436	1,218
Finished goods	250	325
Less: provision for obsolete inventories	(685)	(679)	$ (678)
Currency translation effect	(27)	64
Inventory, Net, Total	$ 2,410	$ 2,080

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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