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Income Taxes (Deferred tax assets and liabilities) (Detail) - USD ($) $ in Thousands | Jun. 30, 2016 | Jun. 30, 2015
--- | --- | ---
Income Tax Benefit Expenses [Line Items] |  |
Net deferred tax assets | $ 703 | $ 880
Valuation allowance | 0 | 0
Net deferred tax assets, Current | 703 | 880
Net deferred tax assets | 436 | 634
Valuation allowance | 0 | 0
Net deferred tax assets, Noncurrent | 436 | 634
Deferred Tax Asset Liability Current [Member] |  |
Income Tax Benefit Expenses [Line Items] |  |
Accounts receivable | 26 | 36
Inventories | 364 | 533
Accrued Liabilities | 313 | 311
Stock based compensation expense | 0 | 0
Goodwill | 0 | 0
R&D credit | 0 | 0
Property, plant and equipment | 0 | 0
Other deferred tax liabilities | 0 | 0
Deferred Tax Asset Liability Noncurrent [Member] |  |
Income Tax Benefit Expenses [Line Items] |  |
Accounts receivable | 0 | 0
Inventories | 200 | 261
Accrued Liabilities | 87 | 86
Stock based compensation expense | 154 | 147
Goodwill | (14) | 214
R&D credit | 1,214 | 804
Property, plant and equipment | (503) | (512)
Other deferred tax liabilities | $ (702) | $ (366)

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