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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Thousands
Jun. 30, 2021
Jun. 30, 2020
Statement of Financial Position [Abstract]    
Allowance for doubtful accounts $ 311 $ 314
Provision for obsolete inventory $ 679 $ 678
Common stock, authorized 15,000,000 15,000,000
Common stock, issued 3,913,055 3,673,055
Common stock, outstanding 3,913,055 3,673,055