• Filing Date: 2015-03-10
  • Form Type: 10-K
  • Description: Annual report
v2.4.1.9
Consolidated Statements of Stockholders' Equity (Parenthetical) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Stated interest rate on convertible senior notes 3.875%us-gaap_DebtInstrumentInterestRateStatedPercentage  
Offering costs for convertible senior notes $ 557us-gaap_AdjustmentsToAdditionalPaidInCapitalConvertibleDebtWithConversionFeature  
Issuance of stock, offering costs   220us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts
Common Stock [Member]    
Issuance of stock, offering costs   220us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
Additional Paid-In Capital [Member]    
Stated interest rate on convertible senior notes 3.875%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Offering costs for convertible senior notes 557us-gaap_AdjustmentsToAdditionalPaidInCapitalConvertibleDebtWithConversionFeature
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Issuance of stock, offering costs   $ 220us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember