OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Information about Products and Services (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Jun. 30, 2012	Jun. 30, 2011
Net Revenue By Product
Revenue for reportable segment	$ 59,632	$ 70,197
Product revenue	35,209	45,659
Revenue, net	59,632	70,197
Service
Net Revenue By Product
Revenue for reportable segment	24,252	24,213
Spare parts and other
Net Revenue By Product
Revenue for reportable segment	5,555	6,744
VR2
Net Revenue By Product
Revenue for reportable segment	83	169
Tape-base products
Net Revenue By Product
Product revenue	18,732	26,414
Tape-base products \| NEO SERIES
Net Revenue By Product
Revenue for reportable segment	18,732	26,363
Tape-base products \| ARCvault family
Net Revenue By Product
Revenue for reportable segment	0	51
Disk-based products
Net Revenue By Product
Product revenue	11,010	12,657
Disk-based products \| REO Series
Net Revenue By Product
Revenue for reportable segment	1,094	1,529
Disk-based products \| SnapServer
Net Revenue By Product
Revenue for reportable segment	$ 9,916	$ 11,128

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Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1(a))

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

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- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

+ Details

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- Definition

Amount of total revenue for the reportable segments, including revenue from external customers, transactions with other operating segments of the same entity, and (gross) interest revenue. All considered to be "operating revenue" for purposes of the taxonomy.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 280

-SubTopic 10

-Section 50

-Paragraph 22

-Subparagraph (a),(b),(c)

-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8736-108599

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 131

-Paragraph 27

-Subparagraph a, b, c

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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