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Credit Facility And Debt (Details) - USD ($) | 6 Months Ended |
--- | --- | ---
Dec. 29, 2017 | Jun. 30, 2017
Line of Credit Facility [Line Items] |  |
Outstanding borrowing | $ 9,000,000 | $ 9,000,000
Silicon Valley Bank |  |
Line of Credit Facility [Line Items] |  |
Credit facility, maximum borrowing capacity | $ 30,000,000 |
Early termination fee percentage | 1.00% |
Percentage of Singapore subsidiary's accounts receivable to be included in the calculation of borrowing capacity | 30.00% |
Available credit under credit facility | $ 11,700,000 |
Line of credit facility, current borrowing capacity | $ 23,300,000 |
Weight average interest rate | 4.79% |
Additional spread on applicable rate in event of default | 2.00% |
Silicon Valley Bank | Minimum |  |
Line of Credit Facility [Line Items] |  |
Inclusion of AR of certain high credit quality customers for borrowing capacity calculation, AR aging | 90 days |
Silicon Valley Bank | Maximum |  |
Line of Credit Facility [Line Items] |  |
Inclusion of AR of certain high credit quality customers for borrowing capacity calculation, AR aging | 120 days |
Silicon Valley Bank | Prime Rate |  |
Line of Credit Facility [Line Items] |  |
Debt instrument, description of variable rate basis | prime rate |
Silicon Valley Bank | Prime Rate | Minimum |  |
Line of Credit Facility [Line Items] |  |
Basis spread on variable rate | 0.50% |
Silicon Valley Bank | Prime Rate | Maximum |  |
Line of Credit Facility [Line Items] |  |
Basis spread on variable rate | 1.50% |
Line of Credit | Silicon Valley Bank |  |
Line of Credit Facility [Line Items] |  |
Outstanding borrowing | $ 9,000,000 |
Letter of Credit | Silicon Valley Bank |  |
Line of Credit Facility [Line Items] |  |
Credit facility, maximum borrowing capacity | 12,000,000 |
Letters of credit | 2,600,000 |
Singapore Line of Credit | Silicon Valley Bank |  |
Line of Credit Facility [Line Items] |  |
Credit facility sublimit available for Singapore | 30,000,000 |
New Zealand |  |
Line of Credit Facility [Line Items] |  |
Credit facility, maximum borrowing capacity | 400,000 |
New Zealand | Short-term Advances |  |
Line of Credit Facility [Line Items] |  |
Credit facility, maximum borrowing capacity | 300,000 |
Available credit under credit facility | 300,000 |
New Zealand | Standby Letters of Credit |  |
Line of Credit Facility [Line Items] |  |
Letters of credit | $ 100,000 |

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