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Consolidated Statements of Cash Flows - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Cash flows from operating activities: |  |  |
Net loss attributable to Flotek Industries, Inc. (Flotek) | $ (32,279,000) | $ (70,340,000) | $ (27,395,000)
Income (loss) from discontinued operations, net of tax | 44,456,000 | 2,743,000 | (9,891,000)
Loss from continuing operations | (76,735,000) | (73,083,000) | (17,504,000)
Adjustments to reconcile loss from continuing operations to net cash (used in) provided by operating activities: |  |  |
Depreciation and amortization | 8,465,000 | 9,216,000 | 9,768,000
Amortization of deferred financing costs | 1,428,000 | 400,000 | 472,000
Provision for doubtful accounts | 512,000 | 839,000 | 157,000
Provision for excess and obsolete inventory | 5,659,000 | 2,418,000 | 388,000
Loss on sale of business | 0 | 360,000 | 0
Loss on write-down of assets held for sale | 0 | 2,580,000 | 0
(Gain) loss on sale of assets | 1,450,000 | (443,000) | 292,000
Impairment of goodwill | 0 | 37,180,000 | 0
Stock compensation expense | 4,235,000 | 7,050,000 | 10,643,000
Deferred income tax (benefit) provision | 18,307,000 | (5,950,000) | 181,000
Reduction in tax benefit related to share-based awards | 24,000 | 709,000 | 1,989,000
Non-cash lease expense | 740,000 | 0 | 0
Changes in current assets and liabilities: |  |  |
Accounts receivable, net | 20,993,000 | (2,606,000) | 4,076,000
Inventories | (65,000) | 2,597,000 | (3,442,000)
Income taxes receivable | 2,546,000 | (1,116,000) | 8,008,000
Other current assets | (8,359,000) | 3,177,000 | 12,001,000
Accounts payable | 1,131,000 | 4,631,000 | (8,528,000)
Accrued liabilities | 908,000 | (8,740,000) | (6,175,000)
Interest payable | (8,000) | (35,000) | 19,000
Net cash provided (used in) by operating activities | (18,769,000) | (20,816,000) | 12,345,000
Cash flows from investing activities: |  |  |
Capital expenditures | (2,411,000) | (3,559,000) | (4,197,000)
Proceeds from sale of businesses | 169,722,000 | 1,665,000 | 18,490,000
Proceeds from sale of assets | 240,000 | 1,387,000 | 689,000
Purchase of patents and other intangible assets | (614,000) | (1,602,000) | (456,000)
Net cash (used in) provided by investing activities | 166,937,000 | (2,109,000) | 14,526,000
Cash flows from financing activities: |  |  |
Repayments of indebtedness | 0 | 0 | (9,833,000)
Borrowings on revolving credit facility | 42,984,000 | 277,599,000 | 383,160,000
Repayments on revolving credit facility | (92,715,000) | (255,818,000) | (393,776,000)
Debt issuance costs | 0 | (111,000) | (579,000)
Payments for finance leases | (51,000) | 0 | 0
Purchase of treasury stock | (247,000) | (173,000) | (1,729,000)
Proceeds from sale of common stock | 35,000 | 341,000 | 654,000
Repurchase of common stock | 0 | 0 | (5,203,000)
Proceeds from exercise of stock options | 0 | 0 | 21,000
Loss from noncontrolling interest | 0 | (358,000) | 0
Net cash provided by (used in) financing activities | (49,994,000) | 21,480,000 | (27,285,000)
Discontinued operations: |  |  |
Net cash provided by (used in) operating activities | (322,000) | 1,296,000 | 4,102,000
Net cash provided by (used in) investing activities | 337,000 | (1,303,000) | (4,078,000)
Net cash flows (used in) provided by discontinued operations | 15,000 | (7,000) | 24,000
Effect of changes in exchange rates on cash and cash equivalents | 5,000 | (88,000) | 151,000
Net change in cash, cash equivalents and restricted cash | 98,194,000 | (1,540,000) | (239,000)
Cash, cash equivalents and restricted cash at beginning of year | 3,044,000 | 4,584,000 | 4,823,000
Cash, cash equivalents and restricted cash at end of year | $ 101,238,000 | $ 3,044,000 | $ 4,584,000

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- Definition Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3521-108585 + Details
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- Definition Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3521-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3536-108585 Reference 3: 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 portion of profit or loss for the period, net of income taxes, which is attributable to the parent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669619-108580 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(22)) -URI http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1B -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669625-108580 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(18)) -URI http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(20)) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 Reference 6: 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 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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