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v2.4.0.8

Segment Information (Details Textual) | 12 Months Ended
--- | ---
Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2011
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue |  |  | 10.00%
Customer One [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue | 10.70% | 11.00% |
Another Customer [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue |  | 10.70% |
Electrical Infrastructure [Member] | Customer One [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue | 24.90% | 18.60% | 34.90%
Electrical Infrastructure [Member] | Customer Two [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue | 19.60% | 11.80% | 20.30%
Electrical Infrastructure [Member] | Customer Three [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue | 12.60% | 11.20% | 11.50%
Electrical Infrastructure [Member] | Customer Four [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue | 11.10% |  |
Oil Gas & Chemical [Member] | Customer One [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue | 20.70% | 35.10% |
Oil Gas & Chemical [Member] | Customer Two [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue | 16.10% | 16.20% |
Oil Gas & Chemical [Member] | Customer Three [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue | 10.00% |  |
Oil Gas & Chemical [Member] | Another Customer [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue |  |  | 38.40%
Storage Solutions [Member] | Customer One [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue | 24.30% |  | 13.20%
Storage Solutions [Member] | Customer Two [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue | 10.60% |  | 13.10%
Storage Solutions [Member] | Customer Three [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue |  |  | 12.30%
Storage Solutions [Member] | Customer Four [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue |  |  | 11.40%
Storage Solutions [Member] | Another Customer [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue | 20.90% |  |
Industrial [Member] | Customer One [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue | 23.30% | 25.70% | 31.90%
Industrial [Member] | Customer Two [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue | 20.50% | 18.10% | 21.80%
Industrial [Member] | Customer Three [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue | 16.40% | 15.30% | 16.70%
Industrial [Member] | Customer Four [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue |  | 12.20% |

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- Details
Name: | us-gaap_EntityWideRevenueMajorCustomerLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Percentage of revenue generated from a single external customer that accounts for 10 percent or more of an entity's revenues. + References No definition available. + Details
Name: | us-gaap_EntityWideRevenueMajorCustomerPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration