2119100 - Disclosure - COMMITMENTS AND CONTINGENCt LIABILITIES link:presentationLink link:calculationLink link:definitionLink 2419403 - Disclosure - COMMITMENTS AND CONTINGENCt LIABILITIES - Lease Components (Details) link:presentationLink link:calculationLink link:definitionLink 2419402 - Disclosure - COMMITMENTS AND CONTINGENCt LIABILITIES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2419404 - Disclosure - COMMITMENTS AND CONTINGENCt LIABILITIES - Schedule of Minimum Lease Payments Under Noncancelable Operating Leases (Details) link:presentationLink link:calculationLink link:definitionLink 2419404 - Disclosure - COMMITMENTS AND CONTINGENCt LIABILITIES - Schedule of Minimum Lease Payments Under Noncancelable Operating Leases (Details) link:presentationLink link:calculationLink link:definitionLink 2319301 - Disclosure - COMMITMENTS AND CONTINGENCt LIABILITIES (Tables) link:presentationLink link:calculationLink link:definitionLink 1001000 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 1001501 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1005000 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 1003000 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS link:presentationLink link:calculationLink link:definitionLink 1002000 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS link:presentationLink link:calculationLink link:definitionLink 1004001 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDER'S EQUITY (DEFICIT) link:presentationLink link:calculationLink link:definitionLink 2118100 - Disclosure - DEBT link:presentationLink link:calculationLink link:definitionLink 2418402 - Disclosure - DEBT - Long term debt (Details) link:presentationLink link:calculationLink link:definitionLink 2418402 - Disclosure - DEBT - Long term debt (Details) link:presentationLink link:calculationLink link:definitionLink 2318301 - Disclosure - DEBT (Tables) link:presentationLink link:calculationLink link:definitionLink 2418403 - Disclosure - DEBT - Term Loan (Details) link:presentationLink link:calculationLink link:definitionLink 2106100 - Disclosure - DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION link:presentationLink link:calculationLink link:definitionLink 2406403 - Disclosure - DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION - Impact of Recently Adopted Accounting Pronouncements (Details) link:presentationLink link:calculationLink link:definitionLink 2206202 - Disclosure - DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION (Policies) link:presentationLink link:calculationLink link:definitionLink 0001000 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 2116100 - Disclosure - FAIR VALUE MEASUREMENTS link:presentationLink link:calculationLink link:definitionLink 2416404 - Disclosure - FAIR VALUE MEASUREMENTS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2416402 - Disclosure - FAIR VALUE MEASUREMENTS - Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 2416403 - Disclosure - FAIR VALUE MEASUREMENTS - Schedule of Changes in Nonfinancial Liabilities Related to Warrant Obligations Measured at Fair Value on a Recurring Basis Using Significant Unobservable Inputs (Details) link:presentationLink link:calculationLink link:definitionLink 2416405 - Disclosure - FAIR VALUE MEASUREMENTS - Summary of Significant Unobservable Inputs used in the Fair Value Measurement of Liabilities Designated as Level 3 (Details) link:presentationLink link:calculationLink link:definitionLink 2316301 - Disclosure - FAIR VALUE MEASUREMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 2113100 - Disclosure - GOODWILL AND INTANGIBLE ASSETS link:presentationLink link:calculationLink link:definitionLink 2413403 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Amortization Expense (Details) link:presentationLink link:calculationLink link:definitionLink 2413402 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Schedule of Goodwill and Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 2313301 - Disclosure - GOODWILL AND INTANGIBLE ASSETS (Tables) link:presentationLink link:calculationLink link:definitionLink 2122100 - Disclosure - INCOME TAXES link:presentationLink link:calculationLink link:definitionLink 2124100 - Disclosure - NET INCOME (LOSS) PER SHARE link:presentationLink link:calculationLink link:definitionLink 2424402 - Disclosure - NET INCOME (LOSS) PER SHARE - Schedule of Computation of Basic and Diluted Net Loss Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 2424403 - Disclosure - NET INCOME (LOSS) PER SHARE - Schedule of Potentially Dilutive Securities Excluded from the Computation of Diluted Net Loss Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 2324301 - Disclosure - NET INCOME (LOSS) PER SHARE (Tables) link:presentationLink link:calculationLink link:definitionLink 2110100 - Disclosure - OTHER FINANCIAL INFORMATION link:presentationLink link:calculationLink link:definitionLink 2410402 - Disclosure - OTHER FINANCIAL INFORMATION - Accounts Receivable (Details) link:presentationLink link:calculationLink link:definitionLink 2410404 - Disclosure - OTHER FINANCIAL INFORMATION - Accrued Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 2410403 - Disclosure - OTHER FINANCIAL INFORMATION - Inventory (Details) link:presentationLink link:calculationLink link:definitionLink 2310301 - Disclosure - OTHER FINANCIAL INFORMATION (Tables) link:presentationLink link:calculationLink link:definitionLink 2126100 - Disclosure - RELATED PARTY link:presentationLink link:calculationLink link:definitionLink 2426401 - Disclosure - RELATED PARTY Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2117100 - Disclosure - RESTRUCTURING link:presentationLink link:calculationLink link:definitionLink 2417404 - Disclosure - RESTRUCTURING - Rollforward (Details) link:presentationLink link:calculationLink link:definitionLink 2417402 - Disclosure - RESTRUCTURING - Summary of Restructuring Charges (Details) link:presentationLink link:calculationLink link:definitionLink 2317301 - Disclosure - RESTRUCTURING (Tables) link:presentationLink link:calculationLink link:definitionLink 2108100 - Disclosure - REVENUE RECOGNITION link:presentationLink link:calculationLink link:definitionLink 2408402 - Disclosure - REVENUE RECOGNITION - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2408404 - Disclosure - REVENUE RECOGNITION - Summary of Contract Assets and Contract Liabilities from Contracts with Customers (Details) link:presentationLink link:calculationLink link:definitionLink 2408403 - Disclosure - REVENUE RECOGNITION - Summary of Disaggregated Revenue by Primary Geographical Market and Timing of Revenue Recognition (Details) link:presentationLink link:calculationLink link:definitionLink 2408406 - Disclosure - REVENUE RECOGNITION - Summary of Estimated Revenue Expected to be Recognized in Future Periods (Details) link:presentationLink link:calculationLink link:definitionLink 2408405 - Disclosure - REVENUE RECOGNITION - Summary of Significant Changes in the Balances of Contract Liabilities and Assets (Details) link:presentationLink link:calculationLink link:definitionLink 2308301 - Disclosure - REVENUE RECOGNITION (Tables) link:presentationLink link:calculationLink link:definitionLink 2121100 - Disclosure - STOCK-BASED COMPENSATION link:presentationLink link:calculationLink link:definitionLink 2421403 - Disclosure - STOCK-BASED COMPENSATION Summary of the Components of Total Stock-Based Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 2421409 - Disclosure - STOCK-BASED COMPENSATION Summary of Performance Stock Unit Activity (Details) link:presentationLink link:calculationLink link:definitionLink 2421408 - Disclosure - STOCK-BASED COMPENSATION Summary of Restricted Stock Unit Activity (Details) link:presentationLink link:calculationLink link:definitionLink 2421404 - Disclosure - STOCK-BASED COMPENSATION Summary of Stock-Based Compensation Associated with Each Type of Award (Details) link:presentationLink link:calculationLink link:definitionLink 2421406 - Disclosure - STOCK-BASED COMPENSATION Summary of Stock Option Activity (Details) link:presentationLink link:calculationLink link:definitionLink 2421407 - Disclosure - STOCK-BASED COMPENSATION Summary of Stock Options Outstanding (Details) link:presentationLink link:calculationLink link:definitionLink 2421405 - Disclosure - STOCK-BASED COMPENSATION Summary of the Weighted-Average Grant Date Fair Value of Options Granted (Details) link:presentationLink link:calculationLink link:definitionLink 2321301 - Disclosure - STOCK-BASED COMPENSATION (Tables) link:presentationLink link:calculationLink link:definitionLink 2115100 - Disclosure - WARRANTY OBLIGATIONS link:presentationLink link:calculationLink link:definitionLink 2415402 - Disclosure - WARRANTY OBLIGATIONS - Summary of Warranty Activities (Details) link:presentationLink link:calculationLink link:definitionLink 2315301 - Disclosure - WARRANTY OBLIGATIONS (Tables) link:presentationLink link:calculationLink link:definitionLink