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Bank Borrowings - Balances on the Term Loan and Revolving Loans (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Jun. 30, 2018
Bank borrowings    
Bank Borrowings $ 5,079 $ 9,441
Less amounts representing deferred financing costs, net (83) (241)
Total bank borrowings 4,996 9,200
Less current debt maturities (4,996) (259)
Bank borrowings, net of current portion and deferred financing costs   8,941
Term Loan    
Bank borrowings    
Bank Borrowings 917 3,146
Revolving Loan    
Bank borrowings    
Bank Borrowings $ 4,162 $ 6,295