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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
OPERATING ACTIVITIES: |  |  |
Net income | $ 9,122 | $ 23,008 | $ 11,707
Adjustments to reconcile net income to net cash flows from operating activities: |  |  |
Depreciation and amortization | 3,807 | 3,675 | 3,533
Deferred tax provision | 1,210 | 206 | 6,008
Provision for doubtful accounts | 257 | 240 | 220
Stock-based compensation | 332 | 399 | 399
Excess tax benefit from stock-based compensation | (426) | (1,284) |
Issuance of non-employee director shares | 75 | 100 | 93
(Gain) Loss on disposals of equipment | (1) |  | (28)
Changes in operating assets and liabilities: |  |  |
Accounts receivable | 1,884 | (1,365) | (16,378)
Inventories | 3,033 | (9,360) | (4,081)
Prepaid expenses | 270 | 1,338 | (1,283)
Other long-term assets |  |  | (257)
Accounts payable | (8,893) | 5,886 | 15,362
Accrued liabilities | (4,561) | 5,495 | 2,230
Net cash flows from operating activities | 6,109 | 28,338 | 17,525
INVESTING ACTIVITIES: |  |  |
Purchases of property, plant, and equipment | (2,889) | (3,961) | (5,279)
Proceeds from sale of equipment | 20 | 1,017 | 24
Payments received on notes receivables | 33 | 177 | 390
Net cash flows from investing activities | (2,836) | (2,767) | (4,865)
FINANCING ACTIVITIES: |  |  |
Payments on long-term obligations | (5) | (47) | (178)
Payments of cash dividends | (5,762) | (5,546) | (1,163)
Additions to deferred financing costs | (10) |  | (51)
Proceeds from exercise of stock options | 851 | 2,766 | 443
Excess tax benefit from stock-based compensation | 426 | 1,284 |
Payments for common stock repurchased |  | (20,000) |
Net cash flows from financing activities | (4,500) | (21,543) | (949)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND TEMPORARY INVESTMENTS | (335) | (209) | (1,537)
NET CHANGE IN CASH AND TEMPORARY INVESTMENTS | (1,562) | 3,819 | 10,174
CASH AND TEMPORARY INVESTMENTS, beginning of year | 50,153 | 46,334 | 36,160
CASH AND TEMPORARY INVESTMENTS, end of year | 48,591 | 50,153 | 46,334
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION: |  |  |
Cash payments for interest | 1,070 | 968 | 692
Cash payments for income taxes, net of refunds | $ 3,858 | $ 12,578 | $ 1,150

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6361293&loc=d3e6676-107765 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 8, 9 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 7, 26 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3044-108585 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 7 -Footnote 1 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 + Details
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