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v3.22.4

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Cash flows from operating activities: |  |  |
Net loss | $ (9,540) | $ (63,993) | $ (468,383)
Adjustments to reconcile net loss to net cash provided by operating activities: |  |  |
Depreciation and amortization expense | 67,334 | 80,741 | 98,543
Impairments of goodwill | 0 | 0 | 406,056
Impairments of inventories | 0 | 3,581 | 31,151
Impairments of fixed and lease assets | 0 | 4,166 | 12,447
Stock-based compensation expense | 6,852 | 7,879 | 8,431
Amortization of debt discount and deferred financing costs | 1,886 | 2,314 | 7,736
Deferred income tax provision (benefit) | 2,020 | (8,639) | (24,404)
Release of foreign currency translation adjustments on liquidation of an international operation | 0 | 9,320 | 0
Gains on extinguishment of 1.50% convertible senior notes | (176) | (4,022) | (10,721)
Gains on disposals of assets | (2,856) | (6,472) | (2,444)
Other, net | 2,066 | (511) | 4,668
Changes in operating assets and liabilities, net of effect from acquired business: |  |  |
Accounts receivable | (35,443) | (24,407) | 63,876
Inventories | (17,364) | (10,334) | 17,578
Accounts payable and accrued liabilities | 18,183 | 17,727 | (37,315)
Deferred revenue | 1,554 | (148) | 25,549
Other operating assets and liabilities, net | (1,654) | (8) | (13)
Net cash flows provided by operating activities | 32,862 | 7,194 | 132,755
Cash flows from investing activities: |  |  |
Capital expenditures | (20,266) | (17,517) | (12,749)
Proceeds from disposition of property and equipment | 5,877 | 11,527 | 9,601
Acquisition of business, net of cash acquired | (8,125) | 0 | 0
Other, net | (211) | (636) | (581)
Net cash flows used in investing activities | (22,725) | (6,626) | (3,729)
Cash flows from financing activities: |  |  |
Revolving credit facility borrowings | 10,090 | 12,873 | 72,173
Revolving credit facility repayments | (10,090) | (31,873) | (105,104)
Payment of promissory note to seller of GEODynamics, Inc. | (10,000) | 0 | 0
Issuance of 4.75% convertible senior notes | 0 | 135,000 | 0
Purchases of 1.50% convertible senior notes | (8,450) | (125,952) | (20,078)
Other debt and finance lease repayments, net | (732) | (230) | (8,222)
Payment of financing costs | (105) | (7,791) | (1,041)
Shares added to treasury stock as a result of net share settlements due to vesting of stock awards | (1,002) | (1,595) | (2,745)
Net cash flows used in financing activities | (20,289) | (19,568) | (65,017)
Effect of exchange rate changes on cash and cash equivalents | (682) | (159) | (491)
Net change in cash and cash equivalents | (10,834) | (19,159) | 63,518
Cash and cash equivalents, beginning of period | 52,852 | 72,011 | 8,493
Cash and cash equivalents, end of period | 42,018 | 52,852 | 72,011
Cash paid (received) for: |  |  |
Interest | 8,339 | 6,532 | 6,402
Income taxes, net | $ 534 | $ 152 | $ (36,766)

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