0001001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 1001002 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 1002003 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1003004 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS link:presentationLink link:calculationLink link:definitionLink 1004005 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) link:presentationLink link:calculationLink link:definitionLink 1005006 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 1006007 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF MEZZANINE EQUITY AND STOCKHOLDERS' DEFICIT link:presentationLink link:calculationLink link:definitionLink 2101101 - Disclosure - DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES link:presentationLink link:calculationLink link:definitionLink 2202201 - Disclosure - DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) link:presentationLink link:calculationLink link:definitionLink 2303301 - Disclosure - DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) link:presentationLink link:calculationLink link:definitionLink 2404401 - Disclosure - DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - NARRATIVE (Details) link:presentationLink link:calculationLink link:definitionLink 2405402 - Disclosure - DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - SCHEDULE OF CONCENTRATION OF CREDIT RISK (Details) link:presentationLink link:calculationLink link:definitionLink 2106102 - Disclosure - RECENT ACCOUNTING PRONOUNCEMENTS link:presentationLink link:calculationLink link:definitionLink 2107103 - Disclosure - REVENUE link:presentationLink link:calculationLink link:definitionLink 2308302 - Disclosure - REVENUE (Tables) link:presentationLink link:calculationLink link:definitionLink 2409403 - Disclosure - REVENUE - REVENUE DISAGGREGATED BY REVENUE SOURCE (Details) link:presentationLink link:calculationLink link:definitionLink 2410404 - Disclosure - REVENUE - RECEIVABLES AND CONTRACT LIABILITIES BALANCES (Details) link:presentationLink link:calculationLink link:definitionLink 2111104 - Disclosure - ALLOWANCE FOR CREDIT LOSSES link:presentationLink link:calculationLink link:definitionLink 2312303 - Disclosure - ALLOWANCE FOR CREDIT LOSSES (Tables) link:presentationLink link:calculationLink link:definitionLink 2413405 - Disclosure - ALLOWANCE FOR CREDIT LOSSES - ALLOWANCE FOR CREDIT LOSSES OF RECEIVABLES FROM USERS (Details) link:presentationLink link:calculationLink link:definitionLink 2414406 - Disclosure - ALLOWANCE FOR CREDIT LOSSES - NARRATIVE (Details) link:presentationLink link:calculationLink link:definitionLink 2115105 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS link:presentationLink link:calculationLink link:definitionLink 2316304 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 2417407 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS - SCHEDULE OF FINANCIAL ASSETS AND LIABILITIES MEASURED AT FAIR VALUE ON A RECURRING BASIS (Details) link:presentationLink link:calculationLink link:definitionLink 2418408 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS - SCHEDULE OF SIGNIFICANT UNOBSERVABLE INPUTS (Details) link:presentationLink link:calculationLink link:definitionLink 2419409 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS - NARRATIVE (Details) link:presentationLink link:calculationLink link:definitionLink 2420410 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS - SCHEDULE OF CHANGES IN ESTIMATED FAIR VALUE OF CONVERTIBLE NOTES AND WARRANT LIABILITY (Details) link:presentationLink link:calculationLink link:definitionLink 2121106 - Disclosure - INCOME TAXES link:presentationLink link:calculationLink link:definitionLink 2322305 - Disclosure - INCOME TAXES (Tables) link:presentationLink link:calculationLink link:definitionLink 2423411 - Disclosure - INCOME TAXES - SCHEDULE OF INCOME TAX PROVISION (BENEFIT) (Details) link:presentationLink link:calculationLink link:definitionLink 2124107 - Disclosure - PROPERTY, SOFTWARE AND EQUIPMENT, NET link:presentationLink link:calculationLink link:definitionLink 2325306 - Disclosure - PROPERTY, SOFTWARE AND EQUIPMENT, NET (Tables) link:presentationLink link:calculationLink link:definitionLink 2426412 - Disclosure - PROPERTY, SOFTWARE AND EQUIPMENT, NET - SCHEDULE OF PROPERTY, SOFTWARE AND EQUIPMENT (Details) link:presentationLink link:calculationLink link:definitionLink 2427413 - Disclosure - PROPERTY, SOFTWARE AND EQUIPMENT, NET - NARRATIVE (Details) link:presentationLink link:calculationLink link:definitionLink 2128108 - Disclosure - OFFSETTING ASSETS AND LIABILITIES link:presentationLink link:calculationLink link:definitionLink 2329307 - Disclosure - OFFSETTING ASSETS AND LIABILITIES (Tables) link:presentationLink link:calculationLink link:definitionLink 2430414 - Disclosure - OFFSETTING ASSETS AND LIABILITIES - SCHEDULE OF ASSETS AND LIABILITIES SUBJECT TO MASTER NETTING ARRANGEMENTS (Details) link:presentationLink link:calculationLink link:definitionLink 2431415 - Disclosure - OFFSETTING ASSETS AND LIABILITIES - NARRATIVE (Details) link:presentationLink link:calculationLink link:definitionLink 2132109 - Disclosure - OTHER CURRENT ASSETS link:presentationLink link:calculationLink link:definitionLink 2333308 - Disclosure - OTHER CURRENT ASSETS (Tables) link:presentationLink link:calculationLink link:definitionLink 2434416 - Disclosure - OTHER CURRENT ASSETS - DETAIL OF OTHER CURRENT ASSETS (Details) link:presentationLink link:calculationLink link:definitionLink 2135110 - Disclosure - FINANCING ACTIVITIES AND OFF-BALANCE SHEET RISK link:presentationLink link:calculationLink link:definitionLink 2436417 - Disclosure - FINANCING ACTIVITIES AND OFF-BALANCE SHEET RISK - NARRATIVE (Details) link:presentationLink link:calculationLink link:definitionLink 2137111 - Disclosure - MEZZANINE EQUITY, COMMON STOCK AND STOCKHOLDERS’ DEFICIT link:presentationLink link:calculationLink link:definitionLink 2338309 - Disclosure - MEZZANINE EQUITY, COMMON STOCK AND STOCKHOLDERS’ DEFICIT (Tables) link:presentationLink link:calculationLink link:definitionLink 2439418 - Disclosure - MEZZANINE EQUITY, COMMON STOCK AND STOCKHOLDERS’ DEFICIT - SCHEDULE OF REDEEMABLE CONVERTIBLE PREFERRED STOCK (Details) link:presentationLink link:calculationLink link:definitionLink 2440419 - Disclosure - MEZZANINE EQUITY, COMMON STOCK AND STOCKHOLDERS’ DEFICIT - NARRATIVE (Details) link:presentationLink link:calculationLink link:definitionLink 2441420 - Disclosure - MEZZANINE EQUITY, COMMON STOCK AND STOCKHOLDERS’ DEFICIT - SCHEDULE OF STOCK OPTION ACTIVITY (Details) link:presentationLink link:calculationLink link:definitionLink 2442421 - Disclosure - MEZZANINE EQUITY, COMMON STOCK AND STOCKHOLDERS' DEFICIT - SCHEDULE OF ACTIVITY RELATED TO TIME-BASED RSUs (Details) link:presentationLink link:calculationLink link:definitionLink 2443422 - Disclosure - MEZZANINE EQUITY, COMMON STOCK AND STOCKHOLDERS’ DEFICIT - SCHEDULE OF SHARE-BASED COMPENSATION (Details) link:presentationLink link:calculationLink link:definitionLink 2144112 - Disclosure - INCOME (LOSS) PER SHARE link:presentationLink link:calculationLink link:definitionLink 2345310 - Disclosure - INCOME (LOSS) PER SHARE (Tables) link:presentationLink link:calculationLink link:definitionLink 2446423 - Disclosure - INCOME (LOSS) PER SHARE - CALCULATION OF BASIC AND DILUTED INCOME (LOSS) PER SHARE (Details) link:presentationLink link:calculationLink link:definitionLink 2447424 - Disclosure - INCOME (LOSS) PER SHARE - POTENTIAL COMMON SHARES EXCLUDED FROM THE CALCULATION OF DILUTED NET INCOME (LOSS) PER SHARE (Details) link:presentationLink link:calculationLink link:definitionLink 2148113 - Disclosure - RELATED PARTY TRANSACTIONS link:presentationLink link:calculationLink link:definitionLink 2449425 - Disclosure - RELATED PARTY TRANSACTIONS (Details) link:presentationLink link:calculationLink link:definitionLink 2150114 - Disclosure - COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 2351311 - Disclosure - COMMITMENTS AND CONTINGENCIES (Tables) link:presentationLink link:calculationLink link:definitionLink 2452426 - Disclosure - COMMITMENTS AND CONTINGENCIES - NARRATIVE (Details) link:presentationLink link:calculationLink link:definitionLink 2453427 - Disclosure - COMMITMENTS AND CONTINGENCIES - SCHEDULE OF COMPONENTS OF LEASE EXPENSE, OTHER INFORMATION AND CASH FLOWS (Details) link:presentationLink link:calculationLink link:definitionLink 2454428 - Disclosure - COMMITMENTS AND CONTINGENCIES - SCHEDULE OF FUTURE MINIMUM LEASE PAYMENTS (Details) link:presentationLink link:calculationLink link:definitionLink 2454428 - Disclosure - COMMITMENTS AND CONTINGENCIES - SCHEDULE OF FUTURE MINIMUM LEASE PAYMENTS (Details) link:presentationLink link:calculationLink link:definitionLink 2155115 - Disclosure - SUBSEQUENT EVENTS link:presentationLink link:calculationLink link:definitionLink 2456429 - Disclosure - SUBSEQUENT EVENTS (Details) link:presentationLink link:calculationLink link:definitionLink