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Other Accrued Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Jun. 30, 2019
Accounts Payable and Accrued Liabilities, Current [Abstract]    
Accrued compensation $ 429 $ 367
Accrued expenses and interest 216 188
Current portion of deferred rent payable 63
Other accrued liabilities $ 645 $ 618