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Significant accounting policies | 12 Months Ended
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Dec. 31, 2020
Accounting Policies [Abstract] |
Significant accounting policies |
2. | Significant accounting policies
The preparation of financial statements in conformity with United States generally accepted accounting principles (“U.S. GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. On an ongoing basis, we evaluate these estimates, including those related to contractual allowances, allowances for expected credit losses, inventories, valuation of intangible assets, goodwill, fair value measurements, litigation and contingent liabilities, income taxes, and share-based compensation. We base our estimates on historical experience, future expectations, and other relevant assumptions that are believed to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Actual results could differ from those estimates. The following is a discussion of accounting policies and methods used in our consolidated financial statements that are not presented within other footnotes. Prior period reclassifications Certain amortization expense related to intangible assets previously reported in general and administrative expenses has been reclassified to acquisition-related amortization and remeasurement based on use of the underlying intangible asset. This reclassification resulted in a decrease to general and administrative expense of $1.3 million for the year ended December 31, 2018. Market risk In the ordinary course of business, the Company is exposed to the impact of changes in interest rates and foreign currency fluctuations. The Company’s objective is to limit the impact of such movements on earnings and cash flows. In order to achieve this objective, the Company seeks to balance its non-U.S. Dollar denominated income and expenditures. The financial statements for operations outside the United States are generally maintained in their local currency. All foreign currency denominated balance sheet accounts, except shareholders’ equity, are translated to U.S. Dollars at year end exchange rates and revenue and expense items are translated at average rates of exchange prevailing during the year. Gains and losses resulting from the translation of foreign currency are recorded in the accumulated other comprehensive income (loss) component of shareholders’ equity. Transactional foreign currency gains and losses, including those generated from intercompany operations, are included in other expense, net and were a gain of $3.9 million, loss of $1.4 million, and a loss of $3.3 million for the years ended December 31, 2020, 2019 and 2018, respectively. Financial instruments and concentration of credit risk Financial instruments that could subject the Company to a concentration of credit risk consist primarily of cash, cash equivalents, restricted cash, and accounts receivable. Generally, cash is held at large financial institutions and cash equivalents consist of highly liquid money market funds. The Company performs ongoing credit evaluations of customers, generally does not require collateral, and maintains a reserve for potential credit losses. The Company believes that a concentration of credit risk related to the accounts receivable is limited because customers are geographically dispersed and end users are diversified. Net sales to our customers based in Europe were approximately $57.7 million in 2020, which represents a substantial portion of our accounts receivable balance as of December 31, 2020. It is at least reasonably possible that changes in global economic conditions and/or local operating and economic conditions in the regions, or other factors, could affect the future realization of these accounts receivable balances. Cash, cash equivalents and restricted cash The Company considers all highly liquid investments with an original maturity of three months or less to be cash equivalents. Restricted cash as of December 31, 2018 related to a court order affecting the Company’s local bank accounts for its office in São Paulo, Brazil, as part of an investigation of more than 30 companies, which resulted in the freezing of approximately $2.6 million of the Company’s cash. On April 3, 2019, the Company’s appeal regarding the freezing of its local bank accounts was heard by the Brazil Federal Court of Appeals of Rio de Janeiro, in which the Court ordered the unfreezing of the Company’s cash. The cash was then returned without any restrictions in April 2019. In September 2019, approximately $0.5 million (based upon foreign exchange rates as of December 31, 2020) of the Company’s cash in Brazil was frozen upon request to satisfy a judgment related to an ongoing legal dispute with a former Brazilian distributor. Although the Company is appealing this judgment, this cash has been reclassified to restricted cash. Refer to Note 13 for further discussion of this matter. Investing activities that did not result in cash receipts or cash payments during the years ended December 31, 2020, 2019, and 2018 consisted of the following, which were not included within cash from investing activities in the Company’s consolidated statements of cash flows:
(U.S. Dollars, in thousands) |  | 2020 |  |  | 2019 |  |  | 2018 |
Supplemental disclosure of cash flow information: |  |  |  |  |  |  |  |  |  |  |  |
Noncash investing activities: |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets acquired in asset acquisitions |  | $ | 1,575 |  |  | $ | 1,600 |  |  | $ | 2,015 |
Contingent consideration recognized at acquisition date |  |  | 375 |  |  |  | — |  |  |  | 25,491 |
Advertising costs Advertising costs are expensed as incurred. Advertising costs are included within sales and marketing expense and totaled $0.9 million, $0.8 million, and $0.6 million for the years ended December 31, 2020, 2019, and 2018, respectively. Research and development costs, including in-process research and development (“IPR&D”) costs Expenditures for research and development are expensed as incurred. Expenditures related to the Company’s collaborative arrangement with MTF Biologics (“MTF”) are expensed based on the terms of the related agreement. The Company recognized $0.8 million in research and development expense for the year ended December 31, 2020 under the collaborative arrangement with MTF and did not recognize any such expenditures for the year ended December 31, 2019. On October 1, 2020, the Company and Neo Medical SA, a privately held Swiss-based company developing a new generation of products for spinal surgery (“Neo Medical”), entered into a partnership that includes a co-development agreement covering the parties’ joint development of single use instruments for cervical spine procedures, and a distribution agreement under which the Company will exclusively distribute Neo Medical’s thoracolumbar procedure solutions to certain U.S. customer accounts. In connection with this agreement, the Company is responsible for the payment of variable costs associated with the development of the specified products. Research and development expenses incurred under this collaborative arrangement for the year ended December 31, 2020 totaled less than $0.1 million. In connection with the Spinal Kinetics Inc. acquisition in 2018, the Company recognized $26.8 million of IPR&D costs within intangible assets, net and recorded additional research and development costs to further develop this acquired IPR&D. See Note 7 for further details. Acquired IPR&D represents the fair value assigned to acquired research and development assets that have not reached technological feasibility. The fair value assigned to acquired IPR&D is determined by estimating the costs to develop the acquired technology into commercially viable products, estimating the resulting revenues from the projects, and discounting the net cash flows to present value. The revenue and cost projections used to value acquired IPR&D are, as applicable, reduced based on the probability of success of developing the asset. Additionally, estimated revenues consider the relevant market sizes and growth factors, expected trends in technology, and the nature and expected timing of new product introductions by the Company and its competitors. The rates utilized to discount the net cash flows to their present value are commensurate with the stage of development of the project and uncertainties in the economic estimates used in the projections. Any future costs to further develop the IPR&D subsequent to acquisition are recorded to research and development expense as incurred. See Note 7 for additional policy discussion related to amortization and impairment testing for IPR&D.

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- Definition The entire disclosure for all significant accounting policies of the reporting entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -URI http://asc.fasb.org/topic&trid=2122369 + Details
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