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v3.5.0.2

Segment Information (Details Textual) | 12 Months Ended
--- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2014
Customer One [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue | 14.80% | 12.30% | 17.30%
Customer Two [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue | 10.60% |  | 12.70%
Electrical Infrastructure [Member] | Customer One [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue | 38.90% | 25.10% | 20.80%
Electrical Infrastructure [Member] | Customer Two [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue |  | 16.30% | 17.50%
Electrical Infrastructure [Member] | Customer Three [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue | 16.60% | 14.70% | 17.00%
Electrical Infrastructure [Member] | Customer Four [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue | 14.40% | 12.70% | 10.80%
Electrical Infrastructure [Member] | Customer Five [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue | 12.70% | 12.70% |
Oil Gas & Chemical [Member] | Customer One [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue |  | 17.70% | 18.30%
Oil Gas & Chemical [Member] | Customer Two [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue |  | 12.30% | 14.00%
Oil Gas & Chemical [Member] | Customer Three [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue |  |  | 10.20%
Oil Gas & Chemical [Member] | Customer Six [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue | 20.20% |  |
Oil Gas & Chemical [Member] | Customer Seven [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue | 11.20% |  |
Storage Solutions [Member] | Customer One [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue | 10.20% | 33.00% | 35.80%
Storage Solutions [Member] | Customer Two [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue | 24.70% | 10.90% | 26.30%
Storage Solutions [Member] | Another Customer [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue | 19.30% |  |
Industrial [Member] | Customer One [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue |  | 34.00% | 23.30%
Industrial [Member] | Customer Two [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue |  | 27.60% | 15.10%
Industrial [Member] | Customer Three [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue |  | 19.00% | 13.00%
Industrial [Member] | Customer Four [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue |  |  | 12.70%
Industrial [Member] | Customer Five [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue |  |  | 11.30%
Industrial [Member] | Customer Eight [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue | 36.90% |  |
Industrial [Member] | Customer Nine [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue | 20.10% |  |
Industrial [Member] | Customer Ten [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of Revenue | 14.00% |  |

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