CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (IN THOUSANDS) - USD ($)	6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Cash Flow from Operating Activities
Net income	$ 1,128,000	$ 312,000
Adjustments to reconcile net income to net cash flow provided by operating activities
Gain on sale of asset held for sale	(1,172,000)	0
Gain on sale of property, plant and equipment	(24,000)	0
Depreciation and amortization	1,576,000	1,145,000
Stock compensation	14,000	9,000
Reversal of provision for obsolete inventory	(5,000)	0
Reversal of income tax provision	0	(145,000)
Repayment of operating leases	(359,000)	0
Repayment of interest portion of finance leases	(24,000)	(24,000)
Bad debt expenses (recovery)	45,000	(2,000)
Accrued interest expense, net accrued interest income	(20,000)	26,000
Warranty recovery, net	0	(22,000)
Deferred tax (provision) / benefit	(47,000)	29,000
Changes in operating assets and liabilities, net of acquisition effect
Trade accounts receivable	132,000	753,000
Other receivables	65,000	(110,000)
Other assets	97,000	428,000
Inventories	247,000	294,000
Prepaid expenses and other current assets	(43,000)	(71,000)
Accounts payable and accrued liabilities	(6,000)	(287,000)
Income tax payable	(31,000)	(84,000)
Net Cash Provided by Operating Activities	1,573,000	2,251,000
Cash Flow from Investing Activities
Proceeds from disposal of plant, property and equipment	39,000	3,000
Proceeds from sale of asset held for sale	1,261,000	0
Investment in unrestricted term deposits, net	(2,672,000)	(1,461,000)
Additions to property, plant and equipment	(744,000)	(2,297,000)
Net Cash Used in Investing Activities	(2,116,000)	(3,755,000)
Cash Flow from Financing Activities
Repayments on lines of credit	(729,000)	(5,908,000)
Repayment of bank loans	(245,000)	(265,000)
Repayment of principal portion of finance leases	(127,000)	(121,000)
Dividends paid to non-controlling interest	(120,000)	(122,000)
Proceeds from exercising of stock option	0	401,000
Proceeds from lines of credit	1,337,000	5,962,000
Proceeds from bank loans	0	1,475,000
Proceeds from finance leases	279,000	0
Net Cash Generated from Financing Activities	395,000	1,422,000
Effect of Changes in Exchange Rate	38,000	(272,000)
Net (decrease)/increase in cash, cash equivalents, and restricted cash	(110,000)	(354,000)
Cash, cash equivalents, and restricted cash at beginning of period	6,569,000	8,234,000
Cash, cash equivalents, and restricted cash at end of period	6,459,000	7,880,000
Supplementary Information of Cash Flows
Interest	124,000	150,000
Income taxes	109,000	104,000
Non-Cash Transactions
Finance lease of property, plant and equipment	279,000	0
Reconciliation of Cash, cash equivalents, and restricted cash
Cash	4,743,000	6,192,000
Short-term deposits	6,888,000	2,121,000
Restricted term-deposits in non-current assets	1,716,000	1,688,000
Total Cash, cash equivalents, and restricted cash shown in statement of cash flows	$ 13,347,000	$ 10,001,000