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Equity Incentive Plan - Relationship (Details) - Employee and Non Employees Stock Option - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2018
Equity Transactions      
Intrinsic value of options exercised $ 0 $ 1,200 $ 0
Unrecognized compensation 0    
Stock based compensation expense $ 100 $ 600 $ 1,200