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COMPOSITION OF CERTAIN FINANCIAL STATEMENT ITEMS (Accrued liabilities) (Details) - USD ($)
$ in Thousands
Jun. 30, 2021
Jun. 30, 2020
Payroll and related items $ 505 $ 689
Accrued inventory in transit 128 303
Accrued legal and professional fees 124 141
Accrued bonuses 300 570
Warranty 221 213
Accrued losses on development contracts 394
Accrued sales, use and excise taxes 7 7
Other 175 149
Total accrued expenses 2,198 2,411
Accrued Expenses [Member]    
Current portion of lease liability $ 344 $ 339