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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 27, 2020 | Mar. 29, 2019
Cash flows from operating activities: |  |
Net loss | $ (21,954) | $ (11,306)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities: |  |
Amortization of intangibles | 1,655 | 2,083
Depreciation | 2,843 | 2,846
Stock-based compensation | 6,259 | 2,113
Amortization of discount on convertible debt | 1,835 | 1,605
Amortization of non-cash warrant | 434 | 25
Restructuring, asset impairment and loss on retirement of fixed assets | 8 | 103
Deferred income taxes, net | 653 | (538)
Foreign currency adjustments | (2,066) | (638)
Provision for excess and obsolete inventories | 234 | 254
Provision for doubtful accounts, returns and discounts | 331 | 417
Other non-cash adjustments, net | 113 | 287
Changes in operating assets and liabilities: |  |
Accounts receivable | (5,068) | 22,351
Inventories | (6,281) | (4,157)
Prepaid expenses and other assets | 10,579 | 1,417
Accounts payable | (242) | (8,177)
Deferred revenue | 12,477 | 4,750
Income taxes payable | (768) | (192)
Accrued and other liabilities | (12,083) | (9,027)
Net cash provided by (used in) operating activities | (11,041) | 4,216
Cash flows from investing activities: |  |
Purchases of property and equipment | (11,224) | (1,674)
Net cash used in investing activities | (11,224) | (1,674)
Cash flows from financing activities: |  |
Payment of convertible debt issuance costs | (35) | 0
Proceeds from other debts and finance leases | 0 | 160
Repayment of other debts and finance leases | (406) | (97)
Proceeds from common stock issued to employees | 3,000 | 2,012
Payment of tax withholding obligations related to net share settlements of restricted stock units | (829) | (657)
Net cash provided by financing activities | 1,730 | 1,418
Effect of exchange rate changes on cash, cash equivalents and restricted cash | (811) | (33)
Net increase (decrease) in cash, cash equivalents and restricted cash | (21,346) | 3,927
Cash, cash equivalents and restricted cash at beginning of period | 93,058 | 65,989
Cash, cash equivalents and restricted cash at end of period | 71,712 | 69,916
Supplemental disclosures of cash flow information: |  |
Income tax payments, net | 408 | 490
Interest payments, net | 1,095 | 92
Supplemental schedule of non-cash investing and financing activities: |  |
Capital expenditures incurred but not yet paid | $ 7,620 | $ 91

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- Definition Amount of income (expense) included in net income that results in no cash inflow (outflow), classified as other. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
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- Definition The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
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- Definition Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585 + Details
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- Definition Amount of cash inflow from issuance of shares under share-based payment arrangement. Includes, but is not limited to, option exercised. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=116856206&loc=SL79508275-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
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- Definition Amount of cash inflow from debt classified as other. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
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- Definition Amount of expense (reversal of expense) for expected credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(5)) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 + Details
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- Definition Amount of cash outflow for short-term and long-term debt and lease obligation. + References No definition available. + Details
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- Definition Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan and expenses resulting from the write-down of assets. Excludes expenses related to a business combination, a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
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- Definition Amount of noncash expense for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
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