Annual report pursuant to Section 13 and 15(d)

Balance Sheet Details Balance Sheer Details - Cash and Investments (Details)

v2.4.1.9
Balance Sheet Details Balance Sheer Details - Cash and Investments (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Supplemental Balance Sheet Disclosures [Abstract]        
Cash and cash equivalents $ 20,696us-gaap_CashAndCashEquivalentsAtCarryingValue $ 26,450us-gaap_CashAndCashEquivalentsAtCarryingValue $ 21,810us-gaap_CashAndCashEquivalentsAtCarryingValue $ 28,026us-gaap_CashAndCashEquivalentsAtCarryingValue
Short-term investments, available-for-sale 48,399us-gaap_AvailableForSaleSecuritiesCurrent 35,494us-gaap_AvailableForSaleSecuritiesCurrent    
Long-term investments, available-for-sale 10,256us-gaap_AvailableForSaleSecuritiesNoncurrent 24,410us-gaap_AvailableForSaleSecuritiesNoncurrent    
Total Investments and Cash $ 79,351us-gaap_InvestmentsAndCash $ 86,354us-gaap_InvestmentsAndCash