Summary of Significant Accounting Policies

12 Months Ended

Dec. 31, 2022

Summary of Significant Accounting Policies

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Basis of Presentation and Principles of Consolidation

The accompanying consolidated financial statements have been prepared in conformity with accounting principles generally accepted in the United States of America (“GAAP”). The accompanying consolidated financial statements reflect the accounts and operations of the Company and those of its subsidiaries in which the Company has a controlling financial interest. Intercompany transactions and balances have been eliminated.

The Company has consolidated its newly-formed subsidiary, ATNX SPV, LLC into the accompanying consolidated financial statements under the variable interest model.

Discontinued Operations

The Company reports components or groups of components as discontinued operations when such component or components are sold, disposed of other than by sale, or classified as held for sale, and the disposal of such component or components represents a strategic shift that will have a major effect on the Company's operations. Assets or asset groups classified as held-for-sale or discontinued operations are recorded at the lower of cost or fair value less cost to sell.

Use of Estimates

The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities as of the date of the consolidated financial statements and the reported amount of revenue and expenses during the reporting period. Such management estimates include those relating to assumptions used in clinical research accruals, chargebacks, measurement of acquired assets and assumed liabilities in business combinations, provision for credit losses, inventory reserves, deferred income taxes, the estimated useful life and recoverability of long-lived assets, contingent consideration, accounting for debt extinguishment and the royalty financing liability, and the valuation of stock-based awards and other items as appropriate. Actual results could differ from those estimates.

Functional Currency

Assets and liabilities of subsidiaries that prepare financial statements in currencies other than the U.S. dollar are translated using rates of exchange as of the balance sheet date and the statements of operations and comprehensive loss are translated at the average rates of exchange for each reporting period. The Company recorded a foreign currency translation gain in accumulated other comprehensive income of $0.9 million and $0.1 million for the years ended December 31, 2022 and 2021, respectively.

Cash, Cash Equivalents, Restricted Cash, and Short-term Investments

The Company considers all highly liquid investments with an original maturity of three months or less at the date of purchase to be cash equivalents. The Company deposits its cash primarily in checking and money market accounts, as well as short-term investments including certificates of deposit. Funds held in foreign accounts that are subject to regulations governing transfers oversees are included within cash and cash equivalents. As of December 31, 2022 and 2021, the Company had $0 and $4.6 million , respectively, at its Chinese subsidiaries, which were subject to Chinese funds transfer limitations, but available for the Company’s general use. Restricted cash consists of deposits that are restricted as to their withdrawal or use. Restricted cash includes amounts held in a controlled bank account equal to one year of interest related to obligations under the Senior Credit Agreement and cash held at the SPV that will be remitted to the Purchasers. The Company generally does not enter into investments for trading or speculative purposes, rather to preserve its capital for the purpose of funding operations.

Accounts Receivable, net

Accounts receivable are recorded at the invoiced amount. On a periodic basis, the Company evaluates its accounts receivable and establishes a provision for credit losses, based upon a history of past write-offs, the age of the receivables, and current credit conditions.

Credit Losses

The Company estimates and records a provision for its expected credit losses related to its financial instruments, including its trade receivables and contract assets recorded under Financial Accounting Standards Board (“FASB”) ASC 606, Revenue from Contracts with Customers (“Topic 606”). The Company considers historical collection rates, current financial status of its customers, macroeconomic factors, and other industry-specific factors when evaluating for current expected credit losses. Forward-looking information is also considered in the evaluation of current expected credit losses. However, because of the short time to the expected receipt of accounts receivable and contract assets, the Company believes that the carrying value, net of excepted losses, approximates fair value and therefore, relies more on historical and current analysis of such financial instruments.

To determine the provision for credit losses for accounts receivable, the Company has disaggregated its accounts receivable by class of customer, as the Company determined that risk profile of its customers is consistent based on the type and industry in which they operate. These customer classes include pharmaceutical wholesalers for specialty product sales, drug manufacturers for active pharmaceutical ingredient (API) attributable to discontinued operations, and hospitals and end-users for 503B sales attributable to discontinued operations. Each class of customer is analyzed for estimated credit losses individually. In doing so, the Company establishes a historical loss matrix, based on the previous collections of accounts receivable by the age of such receivables, and evaluates the current and forecasted financial position of its customers, as available. Further, the Company considers macroeconomic factors and the status of the pharmaceutical industry, including unemployment rates, industry indices, and other factors, to estimate if there are current expected credit losses within its trade receivables based on the trends and the Company’s expectation of the future status of such economic and industry-specific factors. The Company believes that its customers, the majority of which are in the pharmaceutical industries with sound financial condition, and therefore, the Company’s evaluation of macroeconomic and industry-specific factors did not have a significant impact on the provision for credit losses. As of December 31, 2022 and 2021, the Company recorded a provision for credit losses of $0.1 million and recovery of $0.5 million, respectively, for accounts receivable related to the customer classes of pharmaceutical wholesalers, drug manufacturers, and hospitals and end users.

Expected credit losses related to contract assets are evaluated on an individual basis. The Company’s contract assets relate to upfront fees or milestone payments due from licensees for which the underlying performance obligations have been satisfied. The Company evaluates the financial status of the licensee and any historical payment activity from them. Macroeconomic and

industry-specific factors are considered when estimated current expected credit losses related to contract assets. Contract assets are generally classified as short-term, and the Company is in frequent communication with licensees to establish timely payment terms. If the Company expects that credit losses exist for license-related contract assets, it will record provision for such losses against the contract asset. In the third quarter of 2020, pursuant to the Xiangxue License, the Company recognized $9.4 million in license revenue, net of $0.6 million value added tax, for a milestone achievement. During 2021, the Company received $1.5 million of the $10.0 million milestone achievement. After consideration of historical collection rates, the current financial status of the counterparty, and other macroeconomic factors, the Company recorded a provision for its expected credit losses for the outstanding balance of $8.5 million and $0.4 million related to currency conversion in its consolidated financial statements for the year ended December 31, 2020, respectively. No additional provision for credit losses was recorded for contract assets during the year ended December 31, 2022.

Business Acquisitions

The Company accounts for acquired businesses using the acquisition method of accounting, which requires that assets acquired and liabilities assumed be recognized at their estimated fair values as of the acquisition date. Identifiable amortizing intangible assets are recorded on the consolidated balance sheet at fair value and amortized over their estimated useful lives. Acquisition-related costs are expensed as incurred. Any excess of the consideration transferred over the estimated fair values of the net assets acquired is recorded as goodwill.

Contingent Consideration

Contingent consideration arising from a business acquisition is included as part of the purchase price and is recorded at fair value as of the acquisition date. Subsequent to the acquisition date, the Company remeasures contingent consideration arrangements at fair value at each reporting period until the contingency is resolved. The changes in fair value are recognized within selling, general, and administrative expenses in the Company’s consolidated statement of operations and comprehensive loss. Changes in fair values reflect new information about the likelihood of the payment of the contingent consideration and the passage of time.

Inventories

Prior to the regulatory approval of product candidates, the Company may incur expenses for the manufacture of drug product to support the commercial launch of those products. Until the date at which regulatory approval has been received or is otherwise considered probable, all such costs are recorded as research and development expenses as incurred. Inventories for special products and 503B products are stated at the lower of cost and net realizable value, with approximate cost being determined on a first-in-first-out basis. API inventory is stated at the lower of cost and net realizable value, with approximate cost being determined on a weighted average basis.

The Company provides inventory write-downs based on excess and obsolete inventories determined primarily by future demand forecasts. The write-down is measured as the difference between the cost of the inventory and market, based upon assumptions about future demand, and is charged to the provision for inventory, which is a component of cost of sales. At the point of the loss recognition, a new, lower cost basis for that inventory is established, and subsequent changes in facts and circumstances do not result in the restoration or increase in that newly established cost basis. Reserves for inventory amounted to $2.9 million and $6.0 million as of December 31, 2022 and 2021, respectively.

Property and Equipment, net

Property and equipment are recorded at cost or acquisition date fair value in a business acquisition. Depreciation is recorded over the estimated useful lives of the related assets using the straight-line method. Leasehold improvements are amortized on a straight-line basis over the shorter of the useful life or term of the lease. Upon retirement or disposal, the cost and related accumulated depreciation are removed from the consolidated balance sheets and the resulting gain or loss is recorded to general and administrative expense in the consolidated statements of operations and comprehensive loss. Routine expenditures for maintenance and repairs are expensed as incurred.

Estimated useful lives for property and equipment are as follows:


Property and Equipment		Estimated Useful Life
Land		Not depreciated
Equipment		5 - 8 years
Furniture and fixtures		5 years
Computer hardware		3 years
Leasehold improvements		Lesser of estimated useful life or remaining lease term
Construction in process		Not depreciated

Leases

The Company recognizes operating leases with terms greater than one year as right-of-use (“ROU”) assets and lease liabilities on its consolidated balance sheet. A majority of the Company’s operating leases are for real estate properties used in operations located in the U.S. and Asia. The Company’s finance leases are included in property and equipment, net and long-term debt and finance lease obligations on the consolidated balance sheet. The Company’s finance leases are for manufacturing equipment in the U.S.

The lease liabilities are determined as the present value of future fixed minimum lease payments. In determining the discount rate, the Company uses rates implicit in the lease, or if not readily available, the Company uses an estimated incremental borrowing rate based on yield trends in the biotechnology and healthcare industry and debt instruments held by the Company with stated interest rates. The Company uses the stated rate per lease agreement in determining the finance lease liabilities. The lease term is determined at the commencement date and considers whether it is reasonably certain that the Company will exercise renewal options or termination options. The lease liabilities and ROU asset are amortized over the term of the lease with operating lease expenses being recognized on a straight-line basis over the lease terms.

Leases with an initial lease term of 12 months or less are not recorded on the consolidated balance sheet. Lease expense for these leases is recognized on a straight-line basis over the lease term.

Fair Value of Financial Instruments

The Company has certain financial assets and liabilities recorded at fair value which have been classified as Level 1, 2 or 3 within the fair value hierarchy as described in the accounting standards for fair value measurements. Financial instruments consist of cash and cash equivalents, restricted cash, short-term investments, accounts receivable, other current assets, accounts payable, accrued expenses, contingent consideration, debt, and royalty financing liability. These financial instruments are stated at their carrying value, which approximates fair value due to the short time to the expected receipt or payment date of such amounts.

Goodwill

The Company tests goodwill for impairment annually on October 1st, the Company’s annual goodwill impairment measurement date, or more frequently if a triggering event occurs and it updates its test with information that becomes available through the end of the period reported. The Company previously had three operating segments, each of which represents a separate reporting unit: Oncology Innovation Platform, Commercial Platform, and Global Supply Chain Platform. Each of the three reporting units had discrete financial information that was reviewed by segment managers. Goodwill was assigned to two reporting units: Oncology Innovation Platform and Global Supply Chain Platform. Goodwill impairment exists when the fair value of goodwill is less than its carrying value. The Company tested its goodwill for impairment during the year ended December 31, 2021 and concluded that goodwill impairment in the amount of $67.7 million existed. The Company recorded a goodwill impairment charge during the year ended December 31, 2021. No goodwill remained as of December 31, 2022 and 2021. See Note 8 - Goodwill and Intangible Assets, Net, and Note 9 - Fair Value Measurements, for additional information.

Intangible Assets, net

Intangible assets arising from a business acquisition are recognized at fair value as of the acquisition date. The Company amortizes intangible assets using the straight-line method. When the straight-line method of amortization is utilized, the estimated useful life of the intangible asset is shortened to assure the recognition of amortization expense corresponds with the expected cash flows. Other purchased intangibles, including certain licenses, are capitalized at cost and amortized on a straight-line basis over the license life, when a future economic benefit is probable and measurable. If a future economic benefit is not probable or measurable, the license costs are expensed as incurred within research and development expenses. In-process research and development ("IPR&D") intangible assets are not amortized, but rather are tested annually for impairment on May 1, or more frequently if indicators of impairment are present, until the project is completed, abandoned, or transferred to a third party.

Impairment of Long-Lived Assets

The Company reviews the recoverability of its long-lived assets, excluding goodwill, when events or changes in circumstances occur that indicate that the carrying value of the asset may not be recoverable. The assessment of possible impairment is based on the ability to recover the carrying value of the assets from the expected future cash flows (undiscounted and without interest expense) of the related operations. If these cash flows are less than the carrying value of such assets, an impairment loss for the difference between the estimated fair value and carrying value is recorded. The Company determined that impairment indicators occurred during 2021 and concluded that there were impairments of long-lived assets other than goodwill to $1.7 million attributable to discontinued operations. During 2022, the Company recorded impairments of long-lived assets other than goodwill of $1.8 million, of which $0.1 million was attributable to continuing operations and $1.7 million was attributable to discontinued operations. See Note 3 - Discontinued Operations for additional details.

Liability related to the sale of future royalties

The Company treats the liability related to the sale of future royalties, as discussed further in Note 12 - Debt and Lease Obligations, as a debt instrument, amortized under the effective interest rate method over the estimated life of the revenue streams. The Company recognizes interest expense thereon using the effective rate, which is based on its current estimates of future revenues over the life of the arrangement. The Company periodically assesses its expected revenues using internal projections, imputes interest on the carrying value of the deferred royalty obligation, and records interest expense using the imputed effective interest rate. To the extent its estimates of future revenues are greater or less than previous estimates or the estimated timing of such payments is materially different than previous estimates, the Company will account for any such changes by adjusting the effective interest rate on a prospective basis, with a corresponding impact to the reclassification of the royalty financing liability. The assumptions used in determining the expected repayment term of the royalty financing liability and amortization period of the issuance costs require that the Company makes significant estimates that could impact the short-term and long-term classification of the royalty financing liability, interest recorded on such liability, as well as the period over which such costs will be amortized.

Treasury Stock

The Company records treasury stock activities at the cost of the acquired stock. The Company’s accounting policy upon the formal retirement of treasury stock is to deduct the par value from common stock and to reflect any excess of cost over par value as a reduction to additional paid-in capital (to the extent created by previous issuances of the stock) and then accumulated deficit.

Revenue Recognition

Under Topic 606, the Company recognizes revenue when its customer obtains control of promised goods or services, in an amount that reflects the consideration which the entity expects to receive in exchange for those goods or services. To determine revenue recognition for arrangements that an entity determines are within the scope of Topic 606, the entity performs the following five steps: (i) identifies the contract(s) with a customer; (ii) identifies the performance obligations in the contract; (iii) determines the transaction price; (iv) allocates the transaction price to the performance obligations in the contract; and (v) recognizes revenue when (or as) the entity satisfies a performance obligation. The Company only applies the five-step model to contracts when it is probable that the entity will collect the consideration it is entitled to in exchange for the goods or services it transfers to the customer. At contract inception, once the contract is determined to be within the scope of Topic 606, the Company assesses the goods or services promised within each contract to identify the performance obligations and assesses whether each promised good or service is distinct. The Company then recognizes as revenue the amount of the transaction price that is allocated to the respective performance obligation when (or as) the performance obligation is satisfied. For a complete discussion of accounting for product sales, license fees and consulting revenue, and grant revenue, see Note 19 – Revenue Recognition. The Company did not record an adjustment to revenue upon adoption.

Research and Development Expenses

Costs for research and development (“R&D”) of products, including payroll, contractor expenses, and supplies, are expensed as incurred. Clinical trial and other development costs incurred by third parties are expensed as the contracted work is performed. Where contingent milestone payments are due to third parties under research and development arrangements, the obligations are recorded when the milestone results are probable of being achieved.

Comprehensive Income (Loss)

Comprehensive income (loss) is defined as the change in equity of a business enterprise during a period from transactions and other events and circumstances from non-owner sources. Changes in unrealized gains and losses on investments and foreign currency translation adjustments represent the differences between the Company’s net loss and comprehensive loss.

Stock-Based Compensation

Awards granted to employees

The Company recognizes stock-based compensation based on the grant date fair value of stock options granted to employees, officers, and directors. The Company used the Black-Scholes option pricing model to calculate the grant date fair value of stock options. The Black-Scholes option pricing model requires inputs for risk-free interest rate, dividend yield, volatility, fair value of common stock, and expected lives of the stock options. The risk-free rate for periods within the expected life of the stock option is based on the U.S. Treasury yield curve in effect at the time of the grant. No dividend yield is used, consistent with the Company’s history. Expected volatility is based on historical volatilities of the stock prices of peer biopharmaceutical companies. The fair value of common stock is based on the quoted market price of the Company’s common stock on grant date. The Company uses the simplified method for determining the expected lives of stock options. The Company recognizes compensation expenses based on the grant date fair value of stock options on a straight-line basis over the requisite service period, which is generally the vesting period.

Stock grants and restricted stock awards

The Company grants common stock and restricted stock awards to employees, officers, and directors and records the fair value of these grants, based on the fair value of the common stock on the grant date, as compensation expense throughout the requisite service period.

Income Taxes

The Company uses the asset and liability method of accounting for income taxes. Deferred income tax assets and liabilities are recognized for the estimated future tax consequences attributable to temporary differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases. Deferred income tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. Deferred income tax expense or benefit is the result of changes in the deferred income tax assets and liabilities. Valuation allowances are established when necessary to reduce deferred income tax assets where, based upon the available evidence, management concludes that it is more-likely-than not that the deferred income tax assets will not be realized. In evaluating its ability to recover deferred income tax assets, the Company considers all available positive and negative evidence, including its operating results, ongoing tax planning and forecasts of future taxable income on a jurisdiction-by-jurisdiction basis. Because of the uncertainty of the realization of the deferred income tax assets, the Company has recorded a valuation allowance against its deferred income tax assets.

Reserves are provided for tax benefits for which realization is uncertain. Such benefits are only recognized when the underlying tax position is considered more likely than not to be sustained on examination by a taxing authority, assuming they possess full knowledge of the position and facts. Interest and penalties related to uncertain tax positions are recognized in income tax expense; however, the Company currently has no interest or penalties related to income taxes.

Segment and Geographic Information

The Company’s chief operating decision-maker, its Chief Executive Officer, reviews its operating results on an aggregate basis and at the operating segment level for purposes of allocating resources and evaluating financial performance. The Company has two continuing business platforms which are the operating segments: (1) Oncology Innovation Platform, for the discovery and development of cancer supportive therapies, and (2) Commercial Platform, the manufacturing and selling of commercial pharmaceutical products. Each operating segment has a segment manager who is held accountable for operations and operating results. Accordingly, the Company operates in two reportable segments. The Company previously had a third operating segment, the Global Supply Chain Platform, focused on the cGMP manufacturing and supply of active pharmaceutical ingredients and 503B sterile compounded pharmaceutical products. The components within this operating segment were sold or discontinued during 2022 and are reported as discontinued operations. Refer to Note 3 – Discontinued Operations for additional information.

Concentration of Credit Risk, Other Risks and Uncertainties

Financial instruments that potentially subject the Company to concentrations of credit risk consist primarily of cash and cash equivalents, and short-term investments. The Company deposits its cash equivalents in interest-bearing money market accounts and certificates of deposit and invests in highly liquid U.S. Treasury notes, commercial paper, and corporate bonds. The Company deposits its cash with multiple financial institutions. Cash balances exceed federally insured limits. The primary focus of the Company’s investment strategy is to preserve capital and meet liquidity requirements. The Company’s investment policy addresses the level of credit exposure by limiting the concentration in any one corporate issuer and establishing a minimum allowable credit rating. The Company also has significant assets and liabilities held in its overseas manufacturing facility, and research and development facility in China, and therefore is subject to foreign currency fluctuation and regulatory uncertainties.