00100 - Statement - Consolidated Balance Sheets
link:presentationLink
link:calculationLink
link:definitionLink
00200 - Statement - Consolidated Statements of Net Income/(Loss) and Comprehensive Income/(Loss)
link:presentationLink
link:calculationLink
link:definitionLink
00400 - Statement - Consolidated Statements of Cash Flows
link:presentationLink
link:calculationLink
link:definitionLink
40401 - Disclosure - PRODUCT REVENUE - Discounts and Allowances (Details)
link:presentationLink
link:calculationLink
link:definitionLink
40601 - Disclosure - INVENTORY (Details)
link:presentationLink
link:calculationLink
link:definitionLink
40608 - Disclosure - LICENSE AGREEMENTS AND COMMITMENTS - Lease maturities (Details) (calc 2)
link:presentationLink
link:calculationLink
link:definitionLink
40701 - Disclosure - ACCRUED LIABILITIES (Details)
link:presentationLink
link:calculationLink
link:definitionLink
40805 - Disclosure - LICENSE AGREEMENTS AND COMMITMENTS - Lease maturities (Details)
link:presentationLink
link:calculationLink
link:definitionLink
41101 - Disclosure - RELATED PARTY TRANSACTIONS (Details)
link:presentationLink
link:calculationLink
link:definitionLink
00300 - Statement - Consolidated Statements of Changes in Stockholders' Equity
link:presentationLink
link:calculationLink
link:definitionLink
30803 - Disclosure - LICENSE AGREEMENTS AND COMMITMENTS (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
31003 - Disclosure - SHARE-BASED COMPENSATION (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
40202 - Disclosure - BASIS OF PRESENTATION - Secondary public offering (Details)
link:presentationLink
link:calculationLink
link:definitionLink
40302 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Concentration of Credit Risk (Details)
link:presentationLink
link:calculationLink
link:definitionLink
40304 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Fair Value Measurement (Details)
link:presentationLink
link:calculationLink
link:definitionLink
40305 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Revenue Recognition - License Revenue (Details)
link:presentationLink
link:calculationLink
link:definitionLink
40402 - Disclosure - PRODUCT REVENUE - Concentrations (Details)
link:presentationLink
link:calculationLink
link:definitionLink
40502 - Disclosure - NET LOSS PER SHARE - Anti-dilutive securities (Details)
link:presentationLink
link:calculationLink
link:definitionLink
40801 - Disclosure - LICENSE AGREEMENTS AND COMMITMENTS - MSK, CD33 and MabVax License Agreement (Details)
link:presentationLink
link:calculationLink
link:definitionLink
40802 - Disclosure - LICENSE AGREEMENTS AND COMMITMENTS - Other agreements (Details)
link:presentationLink
link:calculationLink
link:definitionLink
40803 - Disclosure - LICENSE AGREEMENTS AND COMMITMENTS - Lease agreements (Details)
link:presentationLink
link:calculationLink
link:definitionLink
40804 - Disclosure - LICENSE AGREEMENTS AND COMMITMENTS - Lease costs (Details)
link:presentationLink
link:calculationLink
link:definitionLink
40806 - Disclosure - LICENSE AGREEMENTS AND COMMITMENTS - Lease term and discount rate (Details)
link:presentationLink
link:calculationLink
link:definitionLink
40902 - Disclosure - STOCKHOLDERS' EQUITY - Stock grant agreements with non-employees (Details)
link:presentationLink
link:calculationLink
link:definitionLink
40903 - Disclosure - STOCKHOLDERS' EQUITY - Issuance of common stock (Details)
link:presentationLink
link:calculationLink
link:definitionLink
41001 - Disclosure - SHARE-BASED COMPENSATION - 2015 Plan (Details)
link:presentationLink
link:calculationLink
link:definitionLink
41002 - Disclosure - SHARE-BASED COMPENSATION - 2018 Plan (Details)
link:presentationLink
link:calculationLink
link:definitionLink
41003 - Disclosure - SHARE-BASED COMPENSATION - Stock option expense (Details)
link:presentationLink
link:calculationLink
link:definitionLink
41004 - Disclosure - SHARE-BASED COMPENSATION - Stock option activity (Details)
link:presentationLink
link:calculationLink
link:definitionLink
41005 - Disclosure - SHARE-BASED COMPENSATION - Stock option unrecognized compensation (Details)
link:presentationLink
link:calculationLink
link:definitionLink
41006 - Disclosure - SHARE-BASED COMPENSATION - Restricted Stock Unit Activity (Details)
link:presentationLink
link:calculationLink
link:definitionLink
41301 - Disclosure - OTHER BENEFITS (Details)
link:presentationLink
link:calculationLink
link:definitionLink
41401 - Disclosure - GAIN FROM SALE OF PRIORITY REVIEW VOUCHER (Details)
link:presentationLink
link:calculationLink
link:definitionLink
00090 - Document - Document and Entity Information
link:presentationLink
link:calculationLink
link:definitionLink
00105 - Statement - Consolidated Balance Sheets (Parenthetical)
link:presentationLink
link:calculationLink
link:definitionLink
10101 - Disclosure - ORGANIZATION AND DESCRIPTION OF BUSINESS
link:presentationLink
link:calculationLink
link:definitionLink
10201 - Disclosure - BASIS OF PRESENTATION
link:presentationLink
link:calculationLink
link:definitionLink
10301 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
link:presentationLink
link:calculationLink
link:definitionLink
10401 - Disclosure - PRODUCT REVENUE
link:presentationLink
link:calculationLink
link:definitionLink
10501 - Disclosure - NET LOSS PER SHARE
link:presentationLink
link:calculationLink
link:definitionLink
10601 - Disclosure - INVENTORY
link:presentationLink
link:calculationLink
link:definitionLink
10701 - Disclosure - ACCRUED LIABILITIES
link:presentationLink
link:calculationLink
link:definitionLink
10801 - Disclosure - LICENSE AGREEMENTS AND COMMITMENTS
link:presentationLink
link:calculationLink
link:definitionLink
10901 - Disclosure - STOCKHOLDERS' EQUITY
link:presentationLink
link:calculationLink
link:definitionLink
11001 - Disclosure - SHARE-BASED COMPENSATION
link:presentationLink
link:calculationLink
link:definitionLink
11101 - Disclosure - RELATED PARTY TRANSACTIONS
link:presentationLink
link:calculationLink
link:definitionLink
11201 - Disclosure - INCOME TAXES
link:presentationLink
link:calculationLink
link:definitionLink
11301 - Disclosure - OTHER BENEFITS
link:presentationLink
link:calculationLink
link:definitionLink
11401 - Disclosure - GAIN FROM SALE OF PRIORITY REVIEW VOUCHER
link:presentationLink
link:calculationLink
link:definitionLink
20302 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)
link:presentationLink
link:calculationLink
link:definitionLink
30303 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
30403 - Disclosure - PRODUCT REVENUE (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
30503 - Disclosure - NET LOSS PER SHARE (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
30603 - Disclosure - INVENTORY (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
30703 - Disclosure - ACCRUED LIABILITIES (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
40201 - Disclosure - BASIS OF PRESENTATION - Accumulated deficit (Details)
link:presentationLink
link:calculationLink
link:definitionLink
40203 - Disclosure - BASIS OF PRESENTATION - Cash and cash equivalents (Details)
link:presentationLink
link:calculationLink
link:definitionLink
40306 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Segment (Details)
link:presentationLink
link:calculationLink
link:definitionLink
40501 - Disclosure - NET LOSS PER SHARE - Basic and diluted (Details)
link:presentationLink
link:calculationLink
link:definitionLink
40901 - Disclosure - STOCKHOLDERS' EQUITY - Authorized, Common and Preferred Stock (Details)
link:presentationLink
link:calculationLink
link:definitionLink
41201 - Disclosure - INCOME TAXES - Expense (Details)
link:presentationLink
link:calculationLink
link:definitionLink
41202 - Disclosure - INCOME TAXES - Uncertain tax positions (Details)
link:presentationLink
link:calculationLink
link:definitionLink