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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Cash Flows From Operating Activities: |  |  |
Net income | $ 9,078 | $ 11,074 | $ 13,860
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 9,749 | 7,466 | 7,267
Deferred income taxes | 1,770 | 1,417 | 1,208
Excess tax benefit from stock-based payment arrangements |  | (1,461) |
Provision for doubtful accounts | 167 | 333 | 473
Provision for excess and obsolete inventory | 351 | 432 | 753
Provision for warranty | (138) | 142 | 234
Write-off of debt issue costs on Prior Credit agreement recorded in interest expense (Note 6) | 1,052 |  |
Debt issue cost amortization recorded in interest expense | 380 |  |
Restricted stock compensation | 1,893 | 1,744 | 1,541
Other | (652) | 216 | 429
Changes in operating assets and liabilities, excluding changes due to acquisition: |  |  |
(Increase) decrease in trade receivables, net | (3,719) | 3,655 | (2,504)
(Increase) decrease in inventories | (928) | (2,262) | (2,864)
(Increase) decrease in prepaid expenses and other assets | 69 | (1,394) | 194
Increase (decrease) in accounts payable | (956) | (1,874) | 752
Increase (decrease) in accrued liabilities and other liabilities | (3,813) | 585 | (1,157)
Net cash provided by operating activities | 14,303 | 20,073 | 20,186
Cash Flows From Investing Activities: |  |  |
Proceeds from working capital adjustment and (consideration paid for acquisition, net of cash acquired) | (16,205) |  | 1,397
Purchase of property and equipment | (5,188) | (4,730) | (4,046)
Net cash used in investing activities | (21,393) | (4,730) | (2,649)
Cash Flows From Financing Activities: |  |  |
Borrowings (repayments) on lines-of-credit, net | (5,709) | 383 | (7,541)
Principal payments of long-term debt | (67,125) | (6,375) | (5,250)
Proceeds from issuance of long-term debt | 76,321 |  |
Change in restricted cash obligations |  |  | 1,800
Payment of debt issuance costs | (745) |  |
Dividends paid to stockholders | (942) | (923) | (853)
Shares withheld for payment of employee payroll taxes | (1,054) | (1,559) |
Excess tax benefit from stock-based payment arrangements |  | 1,461 |
Stock transactions under employee benefit stock plans | 834 | 918 | 344
Net cash provided by (used in) by financing activities | 1,580 | (6,095) | (11,500)
Effect of foreign exchange rate changes on cash | (285) | (1,083) | (1,295)
Net (decrease) increase in cash and cash equivalents | (5,795) | 8,165 | 4,742
Cash and cash equivalents at beginning of period | 21,278 | 13,113 | 8,371
Cash and cash equivalents at end of period | 15,483 | 21,278 | 13,113
Net cash paid during the period for: |  |  |
Interest | 5,048 | 5,575 | 6,014
Income taxes | $ 1,148 | $ 2,125 | $ 5,921

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- Definition The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3255-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The net cash inflow or cash outflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with either short term or long term maturity that is collateralized (backed by pledge, mortgage or other lien in the entity's assets). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -Subparagraph c -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3098-108585 + Details
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- Definition Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.5) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The noncash expense that represents the cost of restricted stock or unit distributed to employees as compensation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 + Details
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- Definition Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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