99900 - Disclosure - Standard And Custom Axis Domain Defaults link:presentationLink link:calculationLink link:definitionLink 995200100 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 995200200 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS link:presentationLink link:calculationLink link:definitionLink 995200400 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 99940202 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Inventories (Details) link:presentationLink link:calculationLink link:definitionLink 99940604 - Disclosure - INTANGIBLE ASSETS, NET - Amortization expense (Details) link:presentationLink link:calculationLink link:definitionLink 99940801 - Disclosure - DEBT - Schedule of Debt (Details) link:presentationLink link:calculationLink link:definitionLink 99940901 - Disclosure - FAIR VALUE MEASUREMENTS - Assets and liabilities measured and recorded at fair value on a recurring basis (Details) link:presentationLink link:calculationLink link:definitionLink 99941402 - Disclosure - REPORTABLE SEGMENTS - Revenue information (Details) link:presentationLink link:calculationLink link:definitionLink 995200090 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 995200105 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 995200300 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' DEFICIT link:presentationLink link:calculationLink link:definitionLink 99930703 - Disclosure - CONVERTIBLE DEBT (Tables) link:presentationLink link:calculationLink link:definitionLink 99930803 - Disclosure - DEBT (Tables) link:presentationLink link:calculationLink link:definitionLink 99930903 - Disclosure - FAIR VALUE MEASUREMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 99940101 - Disclosure - ORGANIZATION AND OPERATIONS (Details) link:presentationLink link:calculationLink link:definitionLink 99940201 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narratives (Details) link:presentationLink link:calculationLink link:definitionLink 99940203 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Net loss per share (Details) link:presentationLink link:calculationLink link:definitionLink 99940301 - Disclosure - GOING CONCERN (Details) link:presentationLink link:calculationLink link:definitionLink 99940401 - Disclosure - DISPOSALS - Air Temp Service Co. (Details) link:presentationLink link:calculationLink link:definitionLink 99940402 - Disclosure - DISPOSALS - Green Energy Gains (Details) link:presentationLink link:calculationLink link:definitionLink 99940501 - Disclosure - INVESTMENT IN SUN SOLAR - EQUITY METHOD (Details) link:presentationLink link:calculationLink link:definitionLink 99940601 - Disclosure - INTANGIBLE ASSETS, NET - Identifiable intangible assets (Details) link:presentationLink link:calculationLink link:definitionLink 99940602 - Disclosure - INTANGIBLE ASSETS, NET - Additional information (Details) link:presentationLink link:calculationLink link:definitionLink 99940701 - Disclosure - CONVERTIBLE DEBT - Convertible debt (Details) link:presentationLink link:calculationLink link:definitionLink 99940702 - Disclosure - CONVERTIBLE DEBT (Details) link:presentationLink link:calculationLink link:definitionLink 99940703 - Disclosure - CONVERTIBLE DEBT - Summary of the individual convertible notes (Details) link:presentationLink link:calculationLink link:definitionLink 99940802 - Disclosure - DEBT - Promissory Notes (Details) link:presentationLink link:calculationLink link:definitionLink 99940803 - Disclosure - DEBT - Sale of future receipts (Details) link:presentationLink link:calculationLink link:definitionLink 99940804 - Disclosure - DEBT - Business Loan and Security Agreement (Details) link:presentationLink link:calculationLink link:definitionLink 99940805 - Disclosure - DEBT - Purchase Order Financing Facility (Details) link:presentationLink link:calculationLink link:definitionLink 99940902 - Disclosure - FAIR VALUE MEASUREMENTS - Reconciliation of our assets and liabilities measured at fair value using Level 3 inputs (Details) link:presentationLink link:calculationLink link:definitionLink 99940903 - Disclosure - FAIR VALUE MEASUREMENTS - Carrying value and fair value for the convertible notes payable (Details) link:presentationLink link:calculationLink link:definitionLink 99940904 - Disclosure - FAIR VALUE MEASUREMENTS - Convertible Notes Payable (Details) link:presentationLink link:calculationLink link:definitionLink 99940905 - Disclosure - FAIR VALUE MEASUREMENTS - 2026 Convertible Notes and 2025 Convertible Notes (Details) link:presentationLink link:calculationLink link:definitionLink 99940906 - Disclosure - FAIR VALUE MEASUREMENTS - SEPA Convertible Note - Settlement and Termination Agreement (Details) link:presentationLink link:calculationLink link:definitionLink 99940907 - Disclosure - FAIR VALUE MEASUREMENTS - 3(a)(10)Settlement Agreement (Details) link:presentationLink link:calculationLink link:definitionLink 99940908 - Disclosure - FAIR VALUE MEASUREMENTS - Contingent consideration obligation, Assumptions (Details) link:presentationLink link:calculationLink link:definitionLink 99941001 - Disclosure - RELATED PARTY TRANSACTIONS - Sponsor of MCAC (Details) link:presentationLink link:calculationLink link:definitionLink 99941002 - Disclosure - RELATED PARTY TRANSACTIONS - Avanti Notes (Details) link:presentationLink link:calculationLink link:definitionLink 99941003 - Disclosure - RELATED PARTY TRANSACTIONS - Keen Labs Supply Services Agreement and Shares Issued to Related Parties (Details) link:presentationLink link:calculationLink link:definitionLink 99941101 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details) link:presentationLink link:calculationLink link:definitionLink 99941201 - Disclosure - REVENUES - Disaggregated revenue information by geographic area (Details) link:presentationLink link:calculationLink link:definitionLink 99941301 - Disclosure - INCOME TAXES (Details) link:presentationLink link:calculationLink link:definitionLink 99941401 - Disclosure - REPORTABLE SEGMENTS (Details) link:presentationLink link:calculationLink link:definitionLink 99941403 - Disclosure - REPORTABLE SEGMENTS - Disaggregated revenue information by geographic area (Details) link:presentationLink link:calculationLink link:definitionLink 99941501 - Disclosure - SUBSEQUENT EVENTS - Divestiture of India Operations (Details) link:presentationLink link:calculationLink link:definitionLink 99941502 - Disclosure - SUBSEQUENT EVENTS - Acquisition of Harry Kahn Associates, Inc (Details) link:presentationLink link:calculationLink link:definitionLink 99941503 - Disclosure - SUBSEQUENT EVENTS - Loans, promissory note and Settlement of Delivery Circle (Details) link:presentationLink link:calculationLink link:definitionLink 995200205 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 995200305 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' DEFICIT (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 995210101 - Disclosure - ORGANIZATION AND OPERATIONS link:presentationLink link:calculationLink link:definitionLink 995210201 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES link:presentationLink link:calculationLink link:definitionLink 995210301 - Disclosure - GOING CONCERN link:presentationLink link:calculationLink link:definitionLink 995210401 - Disclosure - DISPOSALS link:presentationLink link:calculationLink link:definitionLink 995210501 - Disclosure - INVESTMENT IN SUN SOLAR - EQUITY METHOD link:presentationLink link:calculationLink link:definitionLink 995210601 - Disclosure - INTANGIBLE ASSETS, NET link:presentationLink link:calculationLink link:definitionLink 995210701 - Disclosure - CONVERTIBLE DEBT link:presentationLink link:calculationLink link:definitionLink 995210801 - Disclosure - DEBT link:presentationLink link:calculationLink link:definitionLink 995210901 - Disclosure - FAIR VALUE MEASUREMENTS link:presentationLink link:calculationLink link:definitionLink 995211001 - Disclosure - RELATED PARTY TRANSACTIONS link:presentationLink link:calculationLink link:definitionLink 995211101 - Disclosure - COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 995211201 - Disclosure - REVENUES link:presentationLink link:calculationLink link:definitionLink 995211301 - Disclosure - INCOME TAXES link:presentationLink link:calculationLink link:definitionLink 995211401 - Disclosure - REPORTABLE SEGMENTS link:presentationLink link:calculationLink link:definitionLink 995211501 - Disclosure - SUBSEQUENT EVENTS link:presentationLink link:calculationLink link:definitionLink 99920202 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) link:presentationLink link:calculationLink link:definitionLink 99930203 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) link:presentationLink link:calculationLink link:definitionLink 99930603 - Disclosure - INTANGIBLE ASSETS, NET (Tables) link:presentationLink link:calculationLink link:definitionLink 99931203 - Disclosure - REVENUES (Tables) link:presentationLink link:calculationLink link:definitionLink 99931403 - Disclosure - REPORTABLE SEGMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 99940204 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Reverse Stock Split (Details) link:presentationLink link:calculationLink link:definitionLink 99941202 - Disclosure - REVENUES - Contract assets activity (Details) link:presentationLink link:calculationLink link:definitionLink 99941203 - Disclosure - REVENUES - Contract liability activity (Details) link:presentationLink link:calculationLink link:definitionLink