NOTES PAYABLE AND LONG-TERM DEBT - Schedule of long-term debt (Details) - USD ($) $ in Thousands	3 Months Ended
Sep. 30, 2019	Jun. 30, 2019
Debt Instrument [Line Items]
Debt issuance costs	$ 50
Total long-term debt	1,596
Less: current portion	528	$ 517
Long-term debt, net of current portion	1,068	$ 948
Term Loan
Debt Instrument [Line Items]
Total long-term debt	$ 1,646
Credit Agreement \| Term Loan
Debt Instrument [Line Items]
Interest rate	4.64%
Monthly payments	$ 43
Total long-term debt	$ 1,337
Loan Agreement \| Term Loan
Debt Instrument [Line Items]
Interest rate	4.64%
Total long-term debt	$ 259

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