Note 12 - Bank Loans Payable - Bank Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Jun. 30, 2022
Bank loan payable	$ 1,696	$ 1,744
Bank loan payable	1,696	1,744
Current portion of bank loans payable	506	503
Currency translation effect on current portion of bank loans	5	(31)
Current portion of bank loans payable	511	472
Long-term portion of bank loans payable	1,179	1,357
Currency translation effect on long-term portion of bank loans	6	(85)
Long-term portion of bank loans payable	1,185	1,272
Notes Payable To Banks 1 [Member]
Bank loan payable	1,215	1,392
Bank loan payable	1,215	1,392
Notes Payable To Banks 2 [Member]
Bank loan payable	109	128
Bank loan payable	109	128
Notes Payable to Bank 3 [Member]
Bank loan payable	204	224
Bank loan payable	204	224
Notes Payable to Bank 4 [Member]
Bank loan payable	168	0
Bank loan payable	$ 168	$ 0