ACQUISITION - Fair value of total consideration transferred (Details) - USD ($)		3 Months Ended	9 Months Ended
	Nov. 09, 2017	Mar. 31, 2018	Mar. 31, 2018
Business Acquisition [Line Items]
Cash paid for assets acquired from Cantaloupe			$ (65,181,000)
Principal amount	$ 35,000,000
Term Loan
Business Acquisition [Line Items]
Principal amount	25,000,000
Revolving Credit Facility
Business Acquisition [Line Items]
Principal amount	10,000,000
Cantaloupe
Business Acquisition [Line Items]
Cash paid for assets acquired from Cantaloupe	(65,181,000)
USAT shares issued as stock consideration	(19,810,000)
Post-closing adjustment for working capital	253,000
Total consideration	$ (84,738,000)
Shares issued	3,423,367
Shares held under Escrow account	1,496,707	3,577
Value of shares	$ 8,700,000	$ 21,000	21,000
Shares holding period in Escrow	15 months
Receivable		$ 232	$ 232