COMMITMENTS AND CONTINGENCIES - Summary of recognized gains (Details 1) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2016	Jun. 30, 2015
Commitments And Contingencies Disclosure [Roll Forward]
Beginning balance	$ 1,760	$ 1,142
Gain on sale of rental equipment		1,452
Recognition of deferred gain	(860)	(834)
Ending balance	900	1,760
Less current portion	860	860
Non-current portion of deferred gain	$ 40	$ 900

The net gain (loss) arising from the lessor's sale of assets held- or available-for-lease under contractual arrangements classified as operating leases.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 40
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=68074852&loc=d3e41205-112714

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 40
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=6455249&loc=d3e44908-112734

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 40
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=68074852&loc=d3e41188-112714

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The portion of the deferred gain that was recognized in the current period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 40
-Section 35
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=35688829&loc=d3e50609-112754

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- Definition

The amount of the gain recorded in connection with the transaction involving the sale of property to another party and the lease of the property back to the seller to be recognized in future periods.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 40
-Section 25
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6456126&loc=d3e49567-112750

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- Definition

The portion of the gain that will be recorded as income or a reduction in rent expense in future periods less amounts recognized in the current period.

+ References

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- Definition

Represents information of commitments and contingencies disclosure.

+ References

No definition available.

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- Definition

The portion of the gain that will be recorded as income or a reduction in rent expense in future periods as both current and noncurrent portion.

+ References

No definition available.

+ Details

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