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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
CASH FLOWS FROM OPERATING ACTIVITIES: |  |  |
Net income (loss) | $ 25,380 | $ 17,601 | $ (1,233)
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |  |
Write-off of cumulative translation adjustments |  |  | 7,364
Provision for doubtful accounts | 45 | (133) | 213
Depreciation and amortization | 4,078 | 4,362 | 4,254
Tax benefit from stock option exercise | (378) |  |
Share-based compensation expense | 2,878 | 3,478 | 437
Loss on sale of property and equipment | 85 | 224 | 138
Deferred income taxes | 4,270 | (5,073) | 2,128
Loss on restricted cash |  |  | 747
Amortization of bond discount | 9 | 9 | 22
Purchase of trading investment securities | (92) | (102) | (177)
Proceeds from sale of trading investment securities | 354 | 438 | 313
Realized and unrealized gains | (90) | (44) | (165)
Amortization of prepaid taxes related to gain on intercompany sales |  |  | 1,353
Foreign exchange gains | (290) | (466) | (3,005)
Changes in assets and liabilities: |  |  |
Accounts receivable | 266 | (3,742) | 2,181
Inventories | (1,466) | (5,566) | 4,732
Prepaid expenses and other | (1,155) | 1,032 | (238)
Other assets | (193) | 2,986 | (80)
Accounts payable | 77 | 1,316 | 588
Accrued volume incentives | (1,279) | 805 | 1,163
Accrued current and other long-term liabilities | (1,289) | (6,152) | 619
Deferred revenue | 1,708 | (782) | (1,128)
Income taxes payable | (6,259) | 5,009 | (3,679)
Liability related to unrecognized tax positions | 145 | (10,943) | (423)
Deferred compensation payable | (153) | (349) | 26
Net cash provided by operating activities | 26,651 | 3,908 | 16,150
CASH FLOWS FROM INVESTING ACTIVITIES: |  |  |
Purchases of property, plant and equipment | (6,629) | (2,419) | (2,595)
Purchases of investments available for sale | (174) | (6,968) | (3,439)
Proceeds from sale/maturities of investments available for sale | 3,789 | 7,697 | 125
Proceeds from sale of property, plant and equipment | 25 | 11 |
Net cash used in investing activities | (2,989) | (1,679) | (5,909)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |  |
Payments of cash dividends | (2,349) |  |
Proceeds from issuance of long-term debt |  | 10,000 |
Principal payments of long-term debt | (3,570) | (810) |
Tax benefit from stock option exercise | 378 |  |
Proceeds from exercise of stock options | 2,408 | 398 | 132
Net cash provided by (used in) financing activities | (3,133) | 9,588 | 132
Effect of exchange rates on cash and cash equivalents | (257) | (452) | 1,693
Net increase in cash and cash equivalents | 20,272 | 11,365 | 12,066
Cash and cash equivalents at beginning of the year | 58,969 | 47,604 | 35,538
Cash and cash equivalents at end of the year | 79,241 | 58,969 | 47,604
Supplemental disclosure of cash flow information: |  |  |
Cash paid for income taxes | 12,960 | 6,570 | 5,627
Cash paid for interest | 128 | 36 |
Supplemental disclosure of noncash investing and financing activities: |  |  |
Purchases of property, plant and equipment included in accounts payable | $ 169 | $ 19 | $ 196

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- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 16 -Subparagraph c -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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 15 -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 Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3179-108585 + Details
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