INCOME TAXES (Details 3) - USD ($) $ in Thousands	Jun. 30, 2020	Jun. 30, 2019
Deferred tax assets:
Net operating losses and credits	$ 487	$ 363
Inventory valuation	121	64
Provision for bad debts	785	296
Accrued vacation	37	94
Accrued expenses	188	325
Fixed asset basis	1	23
Investment in subsidiaries	277	0
Unrealized gain	24	55
Other	51	73
Total deferred tax assets	1,971	1,293
Deferred tax liabilities:
Depreciation	(359)	(390)
Others	(76)	(78)
Total deferred income tax liabilities	(435)
Subtotal	1,536	825
Valuation allowance	(1,289)	(762)
Net deferred tax assets	247	63
Presented as follows in the balance sheets:
Deferred tax assets	247	390
Deferred tax liabilities	0	(327)
Net deferred tax assets / (liability)	$ 247	$ 63