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 LOSS link:presentationLink link:calculationLink link:definitionLink 1005006 - Statement - CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS’ EQUITY link:presentationLink link:calculationLink link:definitionLink 1006007 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 2101101 - Disclosure - BUSINESS link:presentationLink link:calculationLink link:definitionLink 2402401 - Disclosure - BUSINESS (Details) link:presentationLink link:calculationLink link:definitionLink 2103102 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES link:presentationLink link:calculationLink link:definitionLink 2204201 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Policies) link:presentationLink link:calculationLink link:definitionLink 2305301 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Tables) link:presentationLink link:calculationLink link:definitionLink 2406402 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Basis of Presentation (Details) link:presentationLink link:calculationLink link:definitionLink 2407403 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Restricted Cash (Details) link:presentationLink link:calculationLink link:definitionLink 2408404 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Assets Useful Lives (Details) link:presentationLink link:calculationLink link:definitionLink 2409405 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Amortization Intangible Assets, net (Details) link:presentationLink link:calculationLink link:definitionLink 2410406 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Goodwill and Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 2411407 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Acquisition Payable and Contingent Consideration (Details) link:presentationLink link:calculationLink link:definitionLink 2412408 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Stock-Based Compensation (Details) link:presentationLink link:calculationLink link:definitionLink 2113103 - Disclosure - BUSINESS COMBINATION link:presentationLink link:calculationLink link:definitionLink 2314302 - Disclosure - BUSINESS COMBINATION (Tables) link:presentationLink link:calculationLink link:definitionLink 2415409 - Disclosure - BUSINESS COMBINATION - MD Orthopaedics (Details) link:presentationLink link:calculationLink link:definitionLink 2416410 - Disclosure - BUSINESS COMBINATION - Assets acquired and liabilities assumed (Details) link:presentationLink link:calculationLink link:definitionLink 2417411 - Disclosure - BUSINESS COMBINATION - Estimated fair value and useful life of identifiable intangible assets (Details) link:presentationLink link:calculationLink link:definitionLink 2418412 - Disclosure - BUSINESS COMBINATION - Schedule of pro forma net revenue and net loss (Details) link:presentationLink link:calculationLink link:definitionLink 2119104 - Disclosure - GOODWILL AND INTANGIBLE ASSETS link:presentationLink link:calculationLink link:definitionLink 2320303 - Disclosure - GOODWILL AND INTANGIBLE ASSETS (Tables) link:presentationLink link:calculationLink link:definitionLink 2421413 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Changes in Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 2422414 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Amortizable Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 2423415 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2124105 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS link:presentationLink link:calculationLink link:definitionLink 2325304 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 2426416 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS - Schedule of Assets and Liabilities Measured at Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 2427417 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) link:presentationLink link:calculationLink link:definitionLink 2428418 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS - Change in Fair Value of Level 3 Instruments (Details) link:presentationLink link:calculationLink link:definitionLink 2429419 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS - Fair Value Measurements of Contingent Consideration (Details) link:presentationLink link:calculationLink link:definitionLink 2130106 - Disclosure - DEBT AND CREDIT ARRANGEMENTS link:presentationLink link:calculationLink link:definitionLink 2331305 - Disclosure - DEBT AND CREDIT ARRANGEMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 2432420 - Disclosure - DEBT AND CREDIT ARRANGEMENTS - Schedule of Long-term Debt (Details) link:presentationLink link:calculationLink link:definitionLink 2433421 - Disclosure - DEBT AND CREDIT ARRANGEMENTS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2134107 - Disclosure - INCOME TAXES link:presentationLink link:calculationLink link:definitionLink 2435422 - Disclosure - INCOME TAXES (Details) link:presentationLink link:calculationLink link:definitionLink 2136108 - Disclosure - STOCKHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 2337306 - Disclosure - STOCKHOLDERS' EQUITY (Tables) link:presentationLink link:calculationLink link:definitionLink 2438423 - Disclosure - STOCKHOLDERS' EQUITY - Stock Options (Details) link:presentationLink link:calculationLink link:definitionLink 2439424 - Disclosure - STOCKHOLDERS' EQUITY - Restricted Stock (Details) link:presentationLink link:calculationLink link:definitionLink 2140109 - Disclosure - NET LOSS PER SHARE link:presentationLink link:calculationLink link:definitionLink 2341307 - Disclosure - NET LOSS PER SHARE (Tables) link:presentationLink link:calculationLink link:definitionLink 2442425 - Disclosure - NET LOSS PER SHARE - Reconciliation of Basic and Diluted Net Loss Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 2443426 - Disclosure - NET LOSS PER SHARE - Antidilutive Securities (Details) link:presentationLink link:calculationLink link:definitionLink 2144110 - Disclosure - BUSINESS SEGMENT link:presentationLink link:calculationLink link:definitionLink 2345308 - Disclosure - BUSINESS SEGMENT (Tables) link:presentationLink link:calculationLink link:definitionLink 2446427 - Disclosure - BUSINESS SEGMENT - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2447428 - Disclosure - BUSINESS SEGMENT - Schedule of Revenue by Geographical Location (Details) link:presentationLink link:calculationLink link:definitionLink 2448429 - Disclosure - BUSINESS SEGMENT - Schedule of Revenue by Category (Details) link:presentationLink link:calculationLink link:definitionLink 2149111 - Disclosure - RELATED PARTY TRANSACTIONS link:presentationLink link:calculationLink link:definitionLink 2450430 - Disclosure - RELATED PARTY TRANSACTIONS (Details) link:presentationLink link:calculationLink link:definitionLink 2151112 - Disclosure - EMPLOYEE BENEFIT PLAN link:presentationLink link:calculationLink link:definitionLink 2452431 - Disclosure - EMPLOYEE BENEFIT PLAN - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2153113 - Disclosure - COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 2454432 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details) link:presentationLink link:calculationLink link:definitionLink 2155114 - Disclosure - SUBSEQUENT EVENTS link:presentationLink link:calculationLink link:definitionLink 2456433 - Disclosure - SUBSEQUENT EVENTS (Details) link:presentationLink link:calculationLink link:definitionLink