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ACCOUNTING POLICIES - Concentration of Risks And Revenue Recognition (Details) - customer | 12 Months Ended
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Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2015
Concentration Risk [Line Items] |  |  |
Term of non cancelable lease with agreement | 5 years |  |
Revenue from Rights Concentration Risk |  |  |
Concentration Risk [Line Items] |  |  |
Number of customers | 1 | 1 | 1
Revenue from Rights Concentration Risk | Customer One [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration percentage | 20.00% | 16.00% | 21.00%
Equipment Sales Revenue |  |  |
Concentration Risk [Line Items] |  |  |
Number of customers | 1 | 1 | 1
Equipment Sales Revenue | Customer One [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration percentage | 37.00% | 28.00% | 17.00%
Accounts And Finance Receivables |  |  |
Concentration Risk [Line Items] |  |  |
Number of customers | 1 | 1 | 1
Accounts And Finance Receivables | Customer One [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration percentage | 42.00% | 18.00% | 35.00%

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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6351-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13531-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6404-108592 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13537-108611 + Details
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