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Summary of Significant Accounting Policies and Practices | 12 Months Ended
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Dec. 31, 2020
Accounting Policies [Abstract] |
Summary of Significant Accounting Policies and Practices |
2. | Summary of Significant Accounting Policies and Practices
(a) Principles of Consolidation The consolidated financial statements include the financial statements of the Company and its subsidiaries up to the date of disposal. All significant intercompany balances and transactions have been eliminated prior to consolidation. (b) Cash and Cash Equivalents Cash consists of cash on hand and in banks excluding pledged deposits. The Company considers all highly liquid debt instruments, with initial terms of less than three months to be cash equivalents. (c) Trade Accounts and Bills Receivable Trade accounts and bills receivable are recorded at the invoiced amount, net of allowances for doubtful accounts and sales returns. The allowance for doubtful accounts is the Company's best estimate of the amount of probable credit losses in the Company's existing trade accounts receivable. The Company determines the allowance based on historical write-off experience, customer specific facts and economic conditions. Outstanding accounts receivable balances are reviewed individually for collectability. Account balances are charged off against the allowance after all means of collection have been exhausted and the potential for recovery is considered remote. (d) Inventories Inventories are stated at the lower of cost or net realizable value. The cost of inventories is determined using the weighted average cost method, and includes expenditures incurred in acquiring the inventories and bringing them to their existing location and condition. In case of finished goods and work in progress, the cost includes an appropriate share of production overhead based on normal operating capacity. Net realizable value is the estimated selling prices in the ordinary course of business, less reasonably predictable costs of completion, disposal, and transportation. The Company records adjustments to its inventory for estimated obsolescence or diminution in net realizable value equal to the difference between the cost of the inventory and the estimated net realizable value. At the point of loss recognition, a new 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. (e) Property, Plant and Equipment Property, plant and equipment (except construction in progress) are stated at cost less accumulated depreciation and impairment charges. Depreciation is calculated based on the straight-line method (after taking into account their respective estimated residual values) over the estimated useful lives of the assets as follows:
Buildings |  | 5 – 35 years
Machinery and equipment |  | 1 – 15 years
Office equipment |  | 1 – 5 years
Motor vehicles |  | 5 – 10 years
The cost and accumulated depreciation of property, plant and equipment sold are removed from the consolidated balance sheets and resulting gains or losses are recognized in the consolidated statements of operations and comprehensive loss. Construction in progress mainly represents expenditures in respect of the Company's corporate campus, including offices, factories and staff dormitories, under construction. All direct costs relating to the acquisition or construction of the Company's corporate campus and equipment, including interest charges on borrowings, are capitalized as construction in progress. No depreciation is provided in respect of construction in progress. A long-lived asset to be disposed of by abandonment continues to be classified as held and used until it is disposed of. (f) Lease
| (i) | Right of use assets
Prior to the adoption of Accounting Standards Update ("ASU") No. 2016-02, Leases (Topic 842) ("ASC 842"), land use rights are carried at cost and amortized on a straight-line basis over the period of rights of 50 years. Upon the adoption of ASC 842 on January 1, 2019, land use rights acquired are assessed in accordance with ASC 842 and recognized in right-of-use assets if they meet the definition of lease.
| (ii) | Net Investment in Sales Type Leases
The Company derives a portion of its revenue from vehicles leasing arrangements. Such arrangements provide for monthly payments covering the vehicles sales and interest. These arrangements meet the criteria to be accounted for as sales-type leases. A lease is classified as a sales-type lease if at least one of the following criteria is met: (1) the lease transfers ownership of the underlying asset to the lessee, (2) the lease grants the lessee an option to purchase the underlying asset that the lessee is reasonably certain to exercise, (3) the lease term is for a major part of the remaining economic life of the underlying asset, (4) the present value of the sum of the lease payments equals or exceeds substantially all of the fair value of the underlying assets, or (5) the underlying asset is of such a specialized nature that it is expected to have no alternative use to the lessor at the end of the lease term. Accordingly, vehicle sale net of cost is recorded as other income and recognized upon delivery of the vehicle and its acceptance by the customer. Upon the recognition of such revenue, an asset is established for the investment in sales-type leases. Interests are recognized monthly over the lease term. (g) Foreign Currency Transactions and Translation The reporting currency of the Company is the United States dollar ("US dollar"). The financial records of the Company's PRC operating subsidiaries are maintained in their local currency, the Renminbi ("RMB"), which is the functional currency. The financial records of the Company's subsidiaries established in other countries are maintained in their local currencies. Assets and liabilities of the subsidiaries are translated into the reporting currency at the exchange rates at the balance sheet date, equity accounts are translated at historical exchange rates, and income and expense items are translated using the average rate for the period. The translation adjustments are recorded in accumulated other comprehensive loss under shareholders' equity. Monetary assets and liabilities denominated in currencies other than the applicable functional currencies are translated into the functional currencies at the prevailing rates of exchange at the balance sheet date. Nonmonetary assets and liabilities are remeasured into the applicable functional currencies at historical exchange rates. Transactions in currencies other than the applicable functional currencies during the period are converted into the functional currencies at the applicable rates of exchange prevailing at the transaction dates. Transaction gains and losses are recognized in the consolidated statements of operations. RMB is not a fully convertible currency. All foreign exchange transactions involving RMB must take place either through the People's Bank of China (the "PBOC") or other institutions authorized to buy and sell foreign exchange. The exchange rates adopted for the foreign exchange transactions are the rates of exchange quoted by the PBOC, which are determined largely by supply and demand. Translation of amounts from RMB into US dollars has been made at the following exchange rates for the respective periods:
Year ended December 31, 2019 |  |  |
Balance sheet, except for equity accounts |  | RMB 6.9630 to US$1.00 |
Income statement and cash flows |  | RMB 6.9073 to US$1.00 |
Year ended December 31, 2020 |  |  |
Balance sheet, except for equity accounts |  | RMB 6.5286 to US$1.00 |
Income statement and cash flows |  | RMB 6.9032 to US$1.00 |
(h) Intangible Assets Intangible assets are stated in the balance sheet at cost less accumulated amortization and impairment, if any. The costs of the intangible assets are amortized on a straight-line basis over their estimated useful lives. The respective amortization periods for the intangible assets are as follows:
Computer software |  | 10 years |
(i) Impairment of Long-lived Assets Long-lived assets, which include property, plant and equipment, prepaid land use rights and intangible assets, are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. Recoverability of long-lived assets to be held and used is measured by a comparison of the carrying amount of an asset to the estimated undiscounted future cash flows expected to be generated by the asset. If the carrying amount of an asset exceeds its estimated undiscounted future cash flows, an impairment charge is recognized by the amount by which the carrying amount of the asset exceeds the fair value of the asset. Fair value is generally measured based on either quoted market prices, if available, or discounted cash flow analyses. (j) Revenue Recognition The Company recognizes revenues when its customer obtains control of promised goods or services, in an amount that reflects the consideration which it expects to receive in exchange for those goods. The Company recognizes revenues following the five step model prescribed under ASU No. 2014-09: (i) identify contract(s) with a customer; (ii) identify the performance obligations in the contract; (iii) determine the transaction price; (iv) allocate the transaction price to the performance obligations in the contract; and (v) recognize revenues when (or as) we satisfy the performance obligation. Revenues from product sales are recognized when the customer obtains control of the Company's product, which occurs at a point in time, typically upon delivery to the customer. The Company expenses incremental costs of obtaining a contract as and when incurred if the expected amortization period of the asset that it would have recognized is one year or less or the amount is immaterial. Revenues from product sales are recorded net of reserves established for applicable discounts and allowances that are offered within contracts with the Company's customers. Product revenue reserves, which are classified as a reduction in product revenues, are generally characterized in the categories: discounts and returns. These reserves are based on estimates of the amounts earned or to be claimed on the related sales and are classified as reductions of accounts receivable as the amount is payable to the Company's customer. (k) Cost of Revenues Cost of revenues consists primarily of material costs, employee compensation, depreciation and related expenses, which are directly attributable to the production of products. Write-down of inventories to lower of cost or market is also recorded in cost of revenues. (l) Income Taxes Income taxes are accounted for under the asset and liability method. Deferred tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases and operating loss and tax credit carry forwards. Deferred tax assets are reduced by a valuation allowance to the extent management concludes it is more likely than not that the assets will not be realized. Deferred tax assets and liabilities are measured using enacted tax rates applied to taxable income in the years in which those temporary differences are expected to be recovered or settled. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in the statement of operations and comprehensive loss in the period that includes the enactment date. The impact of an uncertain income tax positions on the income tax return must be recognized at the largest amount that is more likely than not to be sustained upon audit by the relevant tax authority. An uncertain income tax position will not be recognized if it has less than a 50% likelihood of being sustained. Interest and penalties on income taxes will be classified as a component of the provisions for income taxes. The significant uncertain tax position arose from the subsidies granted by the local government for the Company's PRC subsidiary, which may be modified or challenged by the central government or the tax authority. A reconciliation of January 1, 2019, through December 31, 2020 amount of unrecognized tax benefits excluding interest and penalties ("Gross UTB") is as follows:
|  | Gross UTB |  |  | Surcharge |  |  | Net UTB |
Balance as of January 1, 2019 |  | $ | 7,129,285 |  |  |  | - |  |  |  | 7,129,285 |
Decrease in unrecognized tax benefits taken in current period |  |  | (86,703 | ) |  |  | - |  |  |  | (86,703 | )
Balance as of December 31, 2019 |  |  | 7,042,582 |  |  |  | - |  |  |  | 7,042,582 |
Increase in unrecognized tax benefits taken in current year |  |  | 468,600 |  |  |  | - |  |  |  | 468,600 |
Balance as of December 31, 2020 |  | $ | 7,511,182 |  |  | $ | - |  |  | $ | 7,511,182 |
As of December 31, 2019 and 2020, the Company had not accrued any interest and penalties related to unrecognized tax benefits. (m) Research and Development and Advertising Expenses Research and development and advertising expenses are expensed as incurred. Research and development expenses consist primarily of remuneration for research and development staff, depreciation and material costs for research and development. (n) Bills Payable Bills payable represent bills issued by financial institutions to the Company's vendors. The Company's vendors receive payments from the financial institutions directly upon maturity of the bills and the Company is obliged to repay the face value of the bills to the financial institutions. (o) Warranties The Company provides a manufacturer's warranty on all its products. It accrues a warranty reserve for the products sold, which includes management's best estimate of the projected costs to repair or replace items under warranty. These estimates are based on actual claims incurred to date and an estimate of the nature, frequency and costs of future claims. These estimates are inherently uncertain given the Company's relatively short history of sales of its current products, and changes to its historical or projected warranty experience may cause material changes to the warranty reserve in the future. (p) Government Grants The Company's subsidiaries in China receive government subsidies from local Chinese government agencies in accordance with relevant Chinese government policies. In general, the Company presents the government subsidies received as part of other income unless the subsidies received are earmarked to compensate a specific expense, which have been accounted for by offsetting the specific expense, such as research and development expense, interest expenses and removal costs. Unearned government subsidies received are deferred for recognition until the criteria for such recognition could be met. Grants applicable to land are amortized over the life of the depreciable facilities constructed on it. For research and development expenses, the Company matches and offsets the government grants with the expenses of the research and development activities as specified in the grant approval document in the corresponding period when such expenses are incurred. (q) Share-based Compensation The Company adopted the provisions of ASC Topic 718 which requires the Company to measure and recognize compensation expenses for an award of an equity instrument based on the grant-date fair value. The cost is recognized over the vesting period (or the requisite service period). ASC Topic 718 also requires the Company to measure the cost of a liability classified award based on its current fair value. The fair value of the award will be remeasured subsequently at each reporting date through the settlement date. Changes in fair value during the requisite service period are recognized as compensation cost over that period. Further, ASC Topic 718 requires the Company to estimate forfeitures in calculating the expense related to stock-based compensation. The fair value of each option award is estimated on the date of grant using the Black-Scholes Option Valuation Model. The expected volatility was based on the historical volatilities of the Company's listed common stocks in the United States and other relevant market information. The Company uses historical data to estimate share option exercises and employee departure behavior used in the valuation model. The expected terms of share options granted is derived from the output of the option pricing model and represents the period of time that share options granted are expected to be outstanding. Since the share options once exercised will primarily trade in the U.S. capital market, the risk-free rate for periods within the contractual term of the share option is based on the U.S. Treasury yield curve in effect at the time of grant. (r) Retirement and Other Postretirement Benefits Contributions to retirement schemes (which are defined contribution plans) are charged to cost of revenues, research and development expenses, sales and marketing expenses and general and administrative expenses in the statement of operations and comprehensive loss as and when the related employee service is provided. (s) Loss per Share Basic and diluted loss per share is computed by dividing net loss by the weighted average number of ordinary shares outstanding during the year. (t) Use of Estimates The preparation of the consolidated financial statements in accordance with US GAAP requires management of the Company to make a number of estimates and assumptions relating to the reported amount of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the period. Actual results could differ from those estimates. Significant items subject to such estimates and assumptions include revenue recognition, the recoverability of the carrying amount of long-lived assets, unrecognized tax benefits, impairment on inventories, valuation allowance for receivables and deferred tax assets, provision for warranty and sales returns, valuation of share-based compensation expense and warrants liability. Actual results could differ from those estimates. (u) Segment Reporting The Company uses the "management approach" in determining reportable operating segments. The management approach considers the internal organization and reporting used by the Company's chief operating decision maker for making operating decisions and assessing performance as the source for determining the Company's reportable segments. Management, including the chief operating decision maker, reviews operating results solely by monthly revenue of li-ion rechargeable batteries (but not by sub product type or geographic area) and operating results of the Company and, as such, the Company has determined that the Company has one operating segment as defined by ASC Topic 280 "Segment Reporting". (v) Commitments and Contingencies Liabilities for loss contingencies arising from claims, assessments, litigation, fines and penalties and other sources are recorded when it is probable that a liability has been incurred and the amount of the assessment can be reasonably estimated. (w) Warrant Liability For warrants that are not indexed to the Company's stock, the Company records the fair value of the issued warrants as a liability at each balance sheet date and records changes in the estimated fair value as a non-cash gain or loss in the consolidated statement of operations and comprehensive income. The warrant liability is recognized in the balance sheet at the fair value (level 3). The fair value of these warrants has been determined using the Binomial model. Recently Adopted Accounting Standards In August 2018, the FASB issued ASU 2018-13, Fair Value Measurement (Topic 820): Disclosure Framework-Changes to the Disclosure Requirements for Fair Value Measurement, which modifies the disclosure requirements for Level 1, Level 2 and Level 3 instruments in the fair value hierarchy. The guidance is effective for fiscal years beginning after December 15, 2019, and interim periods within those fiscal years, with early adoption permitted for any eliminated or modified disclosures. The Company applied the new standard beginning January 1, 2020. Recently Issued Accounting Standards In May 2019, the Financial Accounting Standards Board ("FASB") issued ASU 2019-05, which is an update to ASU Update No. 2016-13, Financial Instruments—Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, which introduced the expected credit losses methodology for the measurement of credit losses on financial assets measured at amortized cost basis, replacing the previous incurred loss methodology. The amendments in Update 2016-13 added Topic 326, Financial Instruments—Credit Losses, and made several consequential amendments to the Codification. Update 2016-13 also modified the accounting for available-for-sale debt securities, which must be individually assessed for credit losses when fair value is less than the amortized cost basis, in accordance with Subtopic 326-30, Financial Instruments— Credit Losses—Available-for-Sale Debt Securities. The amendments in this ASU address those stakeholders' concerns by providing an option to irrevocably elect the fair value option for certain financial assets previously measured at amortized cost basis. For those entities, the targeted transition relief will increase comparability of financial statement information by providing an option to align measurement methodologies for similar financial assets. Furthermore, the targeted transition relief also may reduce the costs for some entities to comply with the amendments in Update 2016-13 while still providing financial statement users with decision-useful information. ASU 2019-05 is effective for the Company for fiscal year beginning after December 15, 2022. The Company is currently evaluating the impact of this new standard on its condensed consolidated financial statements and related disclosures. In December 2019, the FASB issued ASU 2019-12, Simplifying the Accounting for Income Taxes, which simplifies the accounting for income taxes, eliminates certain exceptions within ASC 740, Income Taxes, and clarifies certain aspects of the current guidance to promote consistent application among reporting entities. The guidance is effective for fiscal years beginning after December 15, 2020, and interim periods within those fiscal years, with early adoption permitted. Upon adoption, the Company must apply certain aspects of this standard retrospectively for all periods presented while other aspects are applied on a modified retrospective basis through a cumulative-effect adjustment to retained earnings as of the beginning of the fiscal year of adoption. The Company is evaluating the impact this update will have on its financial statements. In March 2020, the FASB issued ASU 2020-04, Reference Rate Reform (Topic 848) (Topic 718): Improvemen20-04 contains practical expedients for reference rate reform related activities that impact debt, leases, derivatives and other contracts. The guidance in ASU 2020-04 is optional and may be elected over time as reference rate reform activities occur. The Company continues to evaluate the impact of the guidance and may apply the elections as applicable as changes in the market occur. In August 2020, the FASB issued ASU 2020-06, Debt - Debt with Conversion and Other Options (Subtopic 470- 20) and Derivatives and Hedging - Contracts in Entity's Own Equity (Subtopic 815-40): Accounting for Convertible Instruments and Contracts in an Entity's Own Equity ("ASU 2020-06"), which simplifies the accounting for certain financial instruments with characteristics of liabilities and equity. This ASU (1) simplifies the accounting for convertible debt instruments and convertible preferred stock by removing the existing guidance in ASC 470-20, Debt: Debt with Conversion and Other Options, that requires entities to account for beneficial conversion features and cash conversion features in equity, separately from the host convertible debt or preferred stock; (2) revises the scope exception from derivative accounting in ASC 815-40 for freestanding financial instruments and embedded features that are both indexed to the issuer's own stock and classified in stockholders' equity, by removing certain criteria required for equity classification; and (3) revises the guidance in ASC 260, Earnings Per Share, to require entities to calculate diluted earnings per share (EPS) for convertible instruments by using the if-converted method. In addition, entities must presume share settlement for purposes of calculating diluted EPS when an instrument may be settled in cash or shares. For SEC filers, excluding smaller reporting companies, ASU 2020-06 is effective for fiscal years beginning after December 15, 2021 including interim periods within those fiscal years. Early adoption is permitted, but no earlier than fiscal years beginning after December 15, 2020. For all other entities, ASU 2020-06 is effective for fiscal years beginning after December 15, 2023, including interim periods within those fiscal years. Entities should adopt the guidance as of the beginning of the fiscal year of adoption and cannot adopt the guidance in an interim reporting period. The Company is currently evaluating the impact that ASU 2020-06 may have on its condensed consolidated financial statements and related disclosures. Other accounting standards that have been issued or proposed by the FASB or other standards-setting bodies that do not require adoption until a future date are not expected to have a material impact on the Company's consolidated financial statements upon adoption.

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