MAJOR CUSTOMERS & SUPPLIERS (Sales, Accounts receivable, Inventory Purchases and Accounts Payable) (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2021	Jun. 30, 2020
Concentration Risk [Line Items]
Total revenue	$ 38,029	$ 34,834
Total accounts payable	2,288	1,965
Sales [Member]
Concentration Risk [Line Items]
Total revenue	$ 38,029	$ 34,834
Percentage of concentrations risk	100.00%	100.00%
Sales [Member] \| Customer 1 [Member]
Concentration Risk [Line Items]
Total revenue	$ 22,163	$ 22,675
Percentage of concentrations risk	58.00%	65.00%
Sales [Member] \| Customer 2 [Member]
Concentration Risk [Line Items]
Total revenue	$ 10,122	$ 5,869
Percentage of concentrations risk	27.00%	17.00%
Sales [Member] \| Customer 3 [Member]
Concentration Risk [Line Items]
Total revenue	$ 2,158	$ 3,499
Percentage of concentrations risk	6.00%	10.00%
Sales [Member] \| Customer [Member]
Concentration Risk [Line Items]
Total revenue	$ 34,443	$ 32,043
Percentage of concentrations risk	91.00%	92.00%
Accounts Receivable [Member]
Concentration Risk [Line Items]
Percentage of concentrations risk	100.00%	100.00%
Total gross accounts receivable	$ 10,935	$ 5,161
Accounts Receivable [Member] \| Customer 1 [Member]
Concentration Risk [Line Items]
Percentage of concentrations risk	61.00%	42.00%
Total gross accounts receivable	$ 6,666	$ 2,205
Accounts Receivable [Member] \| Customer 2 [Member]
Concentration Risk [Line Items]
Percentage of concentrations risk	34.00%	31.00%
Total gross accounts receivable	$ 3,710	$ 1,593
Accounts Receivable [Member] \| Customer 3 [Member]
Concentration Risk [Line Items]
Percentage of concentrations risk		19.00%
Total gross accounts receivable		$ 972
Accounts Receivable [Member] \| Customer [Member]
Concentration Risk [Line Items]
Percentage of concentrations risk	95.00%	92.00%
Total gross accounts receivable	$ 10,376	$ 4,770
Inventory Purchases [Member]
Concentration Risk [Line Items]
Percentage of concentrations risk	100.00%	100.00%
Total inventory purchases	$ 13,844	$ 12,829
Inventory Purchases [Member] \| Portescap [Member]
Concentration Risk [Line Items]
Percentage of concentrations risk	16.00%	19.00%
Total inventory purchases	$ 2,158	$ 2,444
Inventory Purchases [Member] \| Fischer Connectors Inc. [Member]
Concentration Risk [Line Items]
Percentage of concentrations risk	16.00%	15.00%
Total inventory purchases	$ 2,238	$ 1,971
Inventory Purchases [Member] \| Supplier [Member]
Concentration Risk [Line Items]
Percentage of concentrations risk	32.00%	34.00%
Total inventory purchases	$ 4,396	$ 4,415
Accounts Payable [Member]
Concentration Risk [Line Items]
Percentage of concentrations risk	100.00%	100.00%
Total accounts payable	$ 2,288	$ 1,965
Accounts Payable [Member] \| Portescap [Member]
Concentration Risk [Line Items]
Percentage of concentrations risk	10.00%	13.00%
Total accounts payable	$ 225	$ 245
Accounts Payable [Member] \| Fischer Connectors Inc. [Member]
Concentration Risk [Line Items]
Percentage of concentrations risk	9.00%	8.00%
Total accounts payable	$ 206	$ 161
Accounts Payable [Member] \| Supplier [Member]
Concentration Risk [Line Items]
Percentage of concentrations risk	19.00%	21.00%
Total accounts payable	$ 431	$ 406

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Gross amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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