INCOME TAXES (Details 2) - USD ($) $ in Thousands	Jun. 30, 2019	Jun. 30, 2018
Deferred tax assets:
Net operating losses and credits	$ 363	$ 633
Inventory valuation	64	69
Provision for bad debts	296	112
Accrued vacation	94	3
Accrued expenses	325	629
Fixed asset basis	23	0
Investment in subsidiaries	0	61
Unrealized gain	55	4
Other	73	3
Total deferred tax assets	1,293	1,514
Deferred tax liabilities:
Unrealized loss	(390)	(324)
Depreciation	(78)	0
Total deferred income tax liabilities	(468)	(324)
Subtotal	825	1,190
Valuation allowance	(762)	(1,117)
Net deferred tax assets	63	73
Presented as follows in the balance sheets:
Deferred tax assets	390	400
Deferred tax liabilities	(327)	(327)
Net deferred tax assets / (liability)	$ 63	$ 73