0000001 - Document - Cover Page link:presentationLink link:calculationLink link:definitionLink 0000002 - Statement - Consolidated Balance Sheets (Unaudited) link:presentationLink link:calculationLink link:definitionLink 0000003 - Statement - Consolidated Balance Sheets (Unaudited) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 0000004 - Statement - Consolidated Statements of Operations (Unaudited) link:presentationLink link:calculationLink link:definitionLink 0000005 - Statement - Consolidated Statements of Comprehensive Loss (Unaudited) link:presentationLink link:calculationLink link:definitionLink 0000006 - Statement - Consolidated Statements of Comprehensive Loss (Unaudited) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 0000007 - Statement - Consolidated Statements of Changes in Stockholders' Equity (Unaudited) link:presentationLink link:calculationLink link:definitionLink 0000008 - Statement - Consolidated Statements of Cash Flows (Unaudited) link:presentationLink link:calculationLink link:definitionLink 0000009 - Disclosure - DESCRIPTION OF BUSINESS link:presentationLink link:calculationLink link:definitionLink 0000010 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES link:presentationLink link:calculationLink link:definitionLink 0000011 - Disclosure - FAIR VALUE MEASURES AND DISCLOSURES link:presentationLink link:calculationLink link:definitionLink 0000012 - Disclosure - PROPERTY AND EQUIPMENT, NET link:presentationLink link:calculationLink link:definitionLink 0000013 - Disclosure - EQUITY SECURITIES link:presentationLink link:calculationLink link:definitionLink 0000014 - Disclosure - BORROWINGS link:presentationLink link:calculationLink link:definitionLink 0000015 - Disclosure - LEASES link:presentationLink link:calculationLink link:definitionLink 0000016 - Disclosure - COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 0000017 - Disclosure - INDEMNIFICATIONS AND GUARANTEES link:presentationLink link:calculationLink link:definitionLink 0000018 - Disclosure - STOCKHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 0000019 - Disclosure - STOCK-BASED AWARDS link:presentationLink link:calculationLink link:definitionLink 0000020 - Disclosure - REVENUE AND CONTRACT LIABILITY link:presentationLink link:calculationLink link:definitionLink 0000021 - Disclosure - NET INCOME LOSS PER SHARE link:presentationLink link:calculationLink link:definitionLink 0000022 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) link:presentationLink link:calculationLink link:definitionLink 0000023 - Disclosure - FAIR VALUE MEASURES AND DISCLOSURES (Tables) link:presentationLink link:calculationLink link:definitionLink 0000024 - Disclosure - PROPERTY AND EQUIPMENT, NET (Tables) link:presentationLink link:calculationLink link:definitionLink 0000025 - Disclosure - EQUITY SECURITIES (Tables) link:presentationLink link:calculationLink link:definitionLink 0000026 - Disclosure - LEASES (Tables) link:presentationLink link:calculationLink link:definitionLink 0000027 - Disclosure - STOCK-BASED AWARDS (Tables) link:presentationLink link:calculationLink link:definitionLink 0000028 - Disclosure - REVENUE AND CONTRACT LIABILITY (Tables) link:presentationLink link:calculationLink link:definitionLink 0000029 - Disclosure - NET INCOME LOSS PER SHARE (Tables) link:presentationLink link:calculationLink link:definitionLink 0000030 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000031 - Disclosure - FAIR VALUE MEASURES AND DISCLOSURES (Details) link:presentationLink link:calculationLink link:definitionLink 0000032 - Disclosure - PROPERTY AND EQUIPMENT, NET - Capitalized Software & Website Development (Details) link:presentationLink link:calculationLink link:definitionLink 0000033 - Disclosure - PROPERTY AND EQUIPMENT, NET (Details) link:presentationLink link:calculationLink link:definitionLink 0000034 - Disclosure - EQUITY SECURITIES - Summary Of Equity Securities (Details) link:presentationLink link:calculationLink link:definitionLink 0000035 - Disclosure - EQUITY SECURITIES (Details) - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 0000036 - Disclosure - EQUITY SECURITIES - Equity Securities Accounted Under ASC 323 And Ownership Interest (Details) link:presentationLink link:calculationLink link:definitionLink 0000037 - Disclosure - EQUITY SECURITIES - Net Gain (Loss) Recognized On Equity Method Securities (Details) link:presentationLink link:calculationLink link:definitionLink 0000038 - Disclosure - EQUITY SECURITIES - Summarized Financial Information (Details) link:presentationLink link:calculationLink link:definitionLink 0000039 - Disclosure - BORROWINGS (Details) link:presentationLink link:calculationLink link:definitionLink 0000040 - Disclosure - LEASES - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 0000041 - Disclosure - LEASES - Components of Lease Cost and Other Operating Lease Information (Details) link:presentationLink link:calculationLink link:definitionLink 0000042 - Disclosure - LEASES - Operating Lease Maturities and Future Minimum Payments (Details) link:presentationLink link:calculationLink link:definitionLink 0000042 - Disclosure - LEASES - Operating Lease Maturities and Future Minimum Payments (Details) link:presentationLink link:calculationLink link:definitionLink 0000043 - Disclosure - STOCKHOLDERS' EQUITY - Common Stock (Details) link:presentationLink link:calculationLink link:definitionLink 0000044 - Disclosure - STOCKHOLDERS' EQUITY - JonesTrading Agreements (Details) link:presentationLink link:calculationLink link:definitionLink 0000045 - Disclosure - STOCKHOLDERS' EQUITY - Stock Repurchase Program (Details) link:presentationLink link:calculationLink link:definitionLink 0000046 - Disclosure - STOCK-BASED AWARDS - Stock-based Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 0000047 - Disclosure - STOCK-BASED AWARDS - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 0000048 - Disclosure - STOCK-BASED AWARDS - Restricted Stock Activity (Details) link:presentationLink link:calculationLink link:definitionLink 0000049 - Disclosure - REVENUE AND CONTRACT LIABILITY Unearned Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 0000050 - Disclosure - REVENUE AND CONTRACT LIABILITY Club O Reward Unearned Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 0000051 - Disclosure - REVENUE AND CONTRACT LIABILITY Sales Return Allowance (Details) link:presentationLink link:calculationLink link:definitionLink 0000052 - Disclosure - NET INCOME LOSS PER SHARE - Income & Earnings Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 0000053 - Disclosure - NET INCOME LOSS PER SHARE (Details) link:presentationLink link:calculationLink link:definitionLink