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Short-Term and Long-Term Obligations - Short-Term and Long-term Debt (Details) (USD $)
Jun. 30, 2014
Jun. 30, 2013
Short-term Debt [Line Items]    
Short-term debt $ 17,699,000 $ 10,899,000
Debt Instrument [Line Items]    
Long-term debt 46,287,000  
Total debt 46,287,000 35,171,000
Debt, current portion (42,554,000) (28,638,000)
Debt, long-term portion 3,733,000 6,533,000
Term Loan [Member]
   
Debt Instrument [Line Items]    
Long-term debt 28,588,000 24,272,000
Bank of America [Member] | Term Loan [Member]
   
Debt Instrument [Line Items]    
Long-term debt 6,533,000 9,333,000
CTBC [Member] | Term Loan [Member]
   
Debt Instrument [Line Items]    
Long-term debt 22,055,000 14,939,000
Revolving Credit Facility [Member] | Line of Credit [Member] | Bank of America [Member]
   
Short-term Debt [Line Items]    
Short-term debt $ 17,699,000 $ 10,899,000