000100 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 010000 - Statement - CONDENSED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 010100 - Statement - CONDENSED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 020000 - Statement - CONDENSED STATEMENTS OF OPERATIONS link:presentationLink link:calculationLink link:definitionLink 030000 - Statement - CONDENSED STATEMENTS OF STOCKHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 040000 - Statement - CONDENSED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 060100 - Disclosure - Basis of Presentation link:presentationLink link:calculationLink link:definitionLink 060200 - Disclosure - Recently Issued Accounting Standards link:presentationLink link:calculationLink link:definitionLink 060300 - Disclosure - Revenue Recognition link:presentationLink link:calculationLink link:definitionLink 060400 - Disclosure - Stock-Based Compensation link:presentationLink link:calculationLink link:definitionLink 060500 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 060600 - Disclosure - Marketable Securities link:presentationLink link:calculationLink link:definitionLink 060700 - Disclosure - Net Income per Share link:presentationLink link:calculationLink link:definitionLink 060800 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 060900 - Disclosure - Related Party Transactions link:presentationLink link:calculationLink link:definitionLink 061000 - Disclosure - Supplemental Disclosures of Noncash Investing Activities link:presentationLink link:calculationLink link:definitionLink 080400 - Disclosure - Stock-Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 080500 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 080600 - Disclosure - Marketable Securities (Tables) link:presentationLink link:calculationLink link:definitionLink 080700 - Disclosure - Net Income per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 090400 - Disclosure - Stock-Based Compensation (Details) link:presentationLink link:calculationLink link:definitionLink 090500 - Disclosure - Fair Value Measurements (Details) link:presentationLink link:calculationLink link:definitionLink 090600 - Disclosure - Marketable Securities, Cost and Fair Value of Marketable Securities (Details) link:presentationLink link:calculationLink link:definitionLink 090602 - Disclosure - Marketable Securities, Maturities of Marketable Securities (Details) link:presentationLink link:calculationLink link:definitionLink 090700 - Disclosure - Net Income per Share (Details) link:presentationLink link:calculationLink link:definitionLink 091000 - Disclosure - Supplemental Disclosures of Noncash Investing Activities (Details) link:presentationLink link:calculationLink link:definitionLink