SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Property and Equipment (Details) - 12 months ended Jun. 30, 2015 - USD ($) $ in Millions |
Total |
|---|---|
| Property, Plant and Equipment [Line Items] | |
| Capitalized computer software | $ 4.2 |
| Testing equipment | Minimum | |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful life | 3 years |
| Testing equipment | Maximum | |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful life | 5 years |
| Computer and other equipment | Minimum | |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful life | 3 years |
| Computer and other equipment | Maximum | |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful life | 5 years |
| Furniture and fixtures | |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful life | 3 years |
| Software | Minimum | |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful life | 3 years |
| Software | Maximum | |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful life | 5 years |