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Short-Term and Long-Term Obligations (Details Textual)
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1 Months Ended | 3 Months Ended | 3 Months Ended | 3 Months Ended | 3 Months Ended | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Sep. 30, 2013
USD ($)
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Jun. 30, 2013
USD ($)
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Sep. 30, 2013
Building Term Loan [Member]
USD ($)
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Jun. 30, 2013
Building Term Loan [Member]
USD ($)
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Sep. 30, 2013
Bank of America [Member]
USD ($)
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Oct. 31, 2011
Bank of America [Member]
USD ($)
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Oct. 31, 2011
Bank of America [Member]
Building Term Loan [Member]
USD ($)
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Sep. 30, 2013
Bank of America [Member]
Building Term Loan [Member]
USD ($)
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Jun. 30, 2013
Bank of America [Member]
Building Term Loan [Member]
USD ($)
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Jun. 30, 2010
Bank of America [Member]
Building Term Loan [Member]
Building
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Sep. 30, 2013
Bank of America [Member]
Revolving Credit Facility [Member]
USD ($)
Consecutive_Quarters
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Jun. 30, 2013
Bank of America [Member]
Revolving Credit Facility [Member]
USD ($)
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Sep. 30, 2013
Bank of America [Member]
Maximum [Member]
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Jun. 30, 2013
Bank of America [Member]
Maximum [Member]
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Sep. 30, 2013
Bank of America [Member]
Minimum [Member]
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Jun. 30, 2013
Bank of America [Member]
Minimum [Member]
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Sep. 30, 2013
Bank of America [Member]
Minimum [Member]
Revolving Credit Facility [Member]
USD ($)
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Sep. 30, 2013
Bank of America [Member]
London Interbank Offered Rate (LIBOR) [Member]
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Sep. 30, 2013
Bank of America [Member]
London Interbank Offered Rate (LIBOR) [Member]
Building Term Loan [Member]
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Sep. 30, 2013
Bank of America [Member]
London Interbank Offered Rate (LIBOR) [Member]
Revolving Credit Facility [Member]
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Oct. 30, 2011
CTBC Bank [Member]
USD ($)
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Oct. 30, 2011
CTBC Bank [Member]
TWD
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Sep. 30, 2013
CTBC Bank [Member]
Building Term Loan [Member]
USD ($)
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Jun. 30, 2013
CTBC Bank [Member]
Building Term Loan [Member]
USD ($)
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Jul. 31, 2012
CTBC Bank [Member]
Building Term Loan [Member]
USD ($)
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Jul. 31, 2012
CTBC Bank [Member]
Building Term Loan [Member]
TWD
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| Short-term and long-term obligations | ||||||||||||||||||||||||||
| Line of credit facility, maximum borrowing capacity | $ 40,000,000 | $ 9,898,000 | 300,000,000 | |||||||||||||||||||||||
| Term loan, face amount | 14,000,000 | 14,912,000 | 450,000,000 | |||||||||||||||||||||||
| Term loan, term | 5 years | |||||||||||||||||||||||||
| Credit facility, basis spread on variable rate | 1.50% | 1.25% | 0.30% | |||||||||||||||||||||||
| Number of buildings purchased in San Jose | 3 | |||||||||||||||||||||||||
| Credit facility, total outstanding balance | 34,749,000 | 35,171,000 | 23,850,000 | 24,272,000 | 8,633,000 | 9,333,000 | 10,899,000 | 10,899,000 | 15,217,000 | 14,939,000 | ||||||||||||||||
| Interest rate, period end | 1.68% | 1.69% | 1.22% | 1.23% | 0.18% | 1.22% | 1.20% | |||||||||||||||||||
| Line of credit facility, unused amount | 29,101,000 | |||||||||||||||||||||||||
| Not to incur on a consolidated basis, a net loss before taxes and extraordinary items in any two consecutive quarterly accounting periods | 2 | |||||||||||||||||||||||||
| The Company's funded debt to EBITDA ratio (ratio of all outstanding liabilities for borrowed money and other interest-bearing liabilities, including current and long-term debt, less the non-current portion of subordinated liabilities to EBITDA), shall not be greater than | 2.00 | |||||||||||||||||||||||||
| The Company's unencumbered liquid assets, as defined in the agreement, held in the United States shall have an aggregate market value, of not less than | 30,000,000 | |||||||||||||||||||||||||
| Total assets collateralizing line of credit | 590,450,000 | 586,742,000 | ||||||||||||||||||||||||
| Total assets collateralizing term loan | $ 17,756,000 | $ 17,813,000 | $ 27,593,000 | $ 27,702,000 | ||||||||||||||||||||||