ACQUISITION - Fair value of total consideration transferred (Details) - USD ($) $ in Thousands		6 Months Ended
Nov. 09, 2017	Dec. 31, 2017
Business Acquisition [Line Items]
Cash used for Cantaloupe acquisition		$ (65,181)
Principal amount	$ 35,000
Term loan
Business Acquisition [Line Items]
Principal amount	25,000
Revolving line of credit facility
Business Acquisition [Line Items]
Principal amount	10,000
Cantaloupe
Business Acquisition [Line Items]
Cash used for Cantaloupe acquisition	(65,181)
USAT shares issued as stock consideration	(19,810)
Total consideration	$ (84,991)
Shares issued	3,423,367
Shares held under Escrow account	1,496,707
Value of shares	$ 8,700
Shares holding period in Escrow	15 months

Value of equity interests (such as common shares, preferred shares, or partnership interest) issued or issuable to acquire the entity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 30
-Section 50
-Paragraph 1
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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Face (par) amount of debt instrument at time of issuance.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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