Aeterna Zentaris Inc. (AEZS) SEC Filing 20-F Annual Report for the fiscal year ending Friday, December 31, 2021

Cover

Consolidated Statements Of Cash Flows

Consolidated Statements Of Changes In Shareholders' Equity (Deficiency)

Consolidated Statements Of Comprehensive Loss

Consolidated Statements Of Financial Position

Business Overview

Capital Disclosures

Cash And Cash Equivalents

Cash And Cash Equivalents (Details Narrative)

Cash And Cash Equivalents (Tables)

Commitments And Contingencies

Commitments And Contingencies (Details Narrative)

Commitments And Contingencies (Tables)

Critical Accounting Estimates And Judgments

Disclosure Of Change In Stock Options Issued (Details)

Disclosure Of Changes In Operating Assets And Liabilities (Details)

Disclosure Of Fair Value Measurement Of Assets (Details)

Disclosure Of Net Defined Benefit Liability (Asset) (Details)

Employee Future Benefits

Employee Future Benefits (Details Narrative)

Employee Future Benefits (Tables)

Financial Instruments And Financial Risk Management

Financial Instruments And Financial Risk Management (Details Narrative)

Financial Instruments And Financial Risk Management (Tables)

Goodwill

Goodwill (Details Narrative)

Goodwill (Tables)

Identifiable Intangible Assets

Identifiable Intangible Assets (Details Narrative)

Identifiable Intangible Assets (Tables)

Income Taxes

Income Taxes (Details Narrative)

Income Taxes (Tables)

Inventory

Inventory (Details Narrative)

Inventory (Tables)

Net Loss Per Share

Net Loss Per Share (Tables)

Operating Expenses

Operating Expenses (Tables)

Payables And Accrued Liabilities

Payables And Accrued Liabilities (Tables)

Prepaid Expenses And Other Current Assets

Prepaid Expenses And Other Current Assets (Tables)

Property, Plant And Equipment

Property, Plant And Equipment (Tables)

Provisions

Provisions (Tables)

Recent Accounting Pronouncements

Restricted Cash Equivalents

Restricted Cash Equivalents (Details Narrative)

Right Of Use Assets

Right Of Use Assets (Details Narrative)

Right Of Use Assets (Tables)

Schedule Of Changes In Provisions For Onerous Contracts (Details)

Schedule Of Employer Pension Plan Asset (Details)

Schedule Of Expected Future Minimum Lease Payments (Details)

Schedule Of Fair Value Of Warrants Assumptions (Details)

Schedule Of Operating Expenses (Details)

Schedule Of Operating Expenses (Details) (Parenthetical)

Schedule Of Operating Lease Liabilities (Details)

Schedule Of Payables And Accrued Liabilities (Details)

Schedule Of R&Amp;D And Revenue Related Milestone Payments (Details)

Schedule Of Right Of Use Assets (Details)

Schedule Of Stock Options Exercise Price Range (Details)

Schedule Of Trade And Other Receivables (Details)

Schedule Of Trade And Other Receivables (Details) (Parenthetical)

Schedule Of Warrants Activity Reclassified Into Equity (Details)

Segment Information

Segment Information (Details Narrative)

Segment Information (Tables)

Share Capital, Warrants And Other Capital

Share Capital, Warrants And Other Capital (Details Narrative)

Share Capital, Warrants And Other Capital (Tables)

Summary Of (Loss) Income Before Income Taxes (Details)

Summary Of Assumptions To Determine Share-Based Compensation Costs Over The Life Of Awards (Details)

Summary Of Assumptions Translate Into An Average Remaining Life Expectancy In Years (Details)

Summary Of Cash And Cash Equivalents (Details)

Summary Of Change In Carrying Value Of Goodwill (Details)

Summary Of Depreciation Using Methods, Annual Rates And Period (Details)

Summary Of Disclosure Of Federal Tax Losses (Details)

Summary Of Identifiable Intangible Assets With Finite Useful Lives (Details)

Summary Of Impact On Pension Benefit Obligation (Details)

Summary Of Impact On Pension Benefit Obligation (Details) (Parenthetical)

Summary Of Inventory (Details)

Summary Of Major Customers (Details)

Summary Of Maturity Analysis Of Operating Lease Liabilities (Details)

Summary Of Non-Current Assets By Geographical Area (Details)

Summary Of Pertinent Data Relating To Computation Of Basic And Diluted Net Loss Per Share (Details)

Summary Of Prepaid Expenses And Other Current Assets (Details)

Summary Of Products Supplied Under Agreement (Details)

Summary Of Products Supplied Under Agreement (Details) (Parenthetical)

Summary Of Property, Plant And Equipment (Details)

Summary Of Reconciliation Of Combined Canadian Federal And Provincial Income Tax Rate To Income Tax Expense (Details)

Summary Of Revenues By Geographical Area (Details)

Summary Of Significant Accounting Policies

Summary Of Significant Accounting Policies (Policies)

Summary Of Significant Accounting Policies (Tables)

Summary Of Significant Actuarial Assumptions Applied To Determine Accrued Benefit Obligations (Details)

Summary Of Significant Components Of Current And Deferred Income Tax Recovery (Expense) (Details)

Summary Of Significant Components Of Deferred Tax Assets And Liabilities (Details)

Summary Of Significant Components Of Unrecognized Deferred Tax Assets (Details)

Summary Of Undiscounted Defined Pension Benefits Expected To Be Paid (Details)

Summary Of Warrants Exercise Transactions (Details)

Supplemental Disclosure Of Cash Flow Information

Supplemental Disclosure Of Cash Flow Information (Tables)

Trade And Other Receivables

Trade And Other Receivables (Tables)