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Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009
Operating activities: |  |  |
Consolidated net income | $ 9,309 | $ 33,539 | $ 4,093
Adjustments to reconcile consolidated net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 11,005 | 10,222 | 10,198
Stock compensation expense | 1,923 | 871 | 657
Increase (decrease) in long-term deferred revenue | 350 | (18) | 1,078
Credit (gain) loss on available for sale securities | (302) | 146 | 464
Deferred income taxes | 148 | (6,274) | (74)
Excess tax benefit of share-based compensation | (133) | (213) |
Gain on disposal of equipment | (21) | (249) | (30)
Unrealized gain on trading securities |  | (970) | (1,268)
Unrealized loss on auction rate security rights |  | 962 | 964
Severance charges |  |  | 4,099
Change in current assets and liabilities, net | 4,128 | (21,122) | 4,617
Net cash provided by operating activities | 26,407 | 16,894 | 24,798
Investing activities: |  |  |
Purchases of investments | (1,104) | (908) | (1,695)
Sales and maturities of investments | 11,142 | 15,768 | 6,650
Additions to property, plant and equipment | (7,466) | (12,103) | (10,643)
Proceeds from sale of equipment | 10 | 421 | 32
Change in restricted cash |  | 415 | 322
(Increase) decrease in other assets | (55) | 172 | (572)
Net cash provided by (used in) investing activities | 2,527 | 3,765 | (5,906)
Financing activities: |  |  |
Proceeds from issuance of Common Stock | 452 | 1,104 |
Common Stock dividends paid | (6,272) | (12,506) |
Noncontrolling interest dividends paid | (690) | (552) | (1,269)
Excess tax benefit of share-based compensation | 133 | 213 |
Net cash used in financing activities | (6,377) | (11,741) | (1,269)
Effect of foreign exchange rates on cash | 72 | 137 | (38)
Net increase in cash and cash equivalents | 22,629 | 9,055 | 17,585
Cash and cash equivalents at beginning of period | 49,279 | 40,224 | 22,639
Cash and cash equivalents at end of period | 71,908 | 49,279 | 40,224
Change in assets and liabilities: |  |  |
Accounts receivable | 7,546 | (11,926) | 2,148
Inventories, net | (162) | (13,928) | 5,291
Other current assets | (224) | 2,050 | (2,065)
Accounts payable and accrued liabilities | (3,861) | 3,881 | 2,550
Accrued severance charges |  | (259) | (3,840)
Accrual for litigation settlements |  |  | (162)
Income taxes payable | 324 | 892 | (1,164)
Deferred revenue | 505 | (1,832) | 1,859
Change in current assets and liabilities, net | 4,128 | (21,122) | 4,617
Supplemental disclosures: |  |  |
Cash paid during the year for income taxes, net of refunds | $ 4,178 | $ 1,113 | $ 3,122

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- Definition Includes currency on hand as well as demand deposits with banks or financial institutions. It also includes other kinds of accounts that have the general characteristics of demand deposits in that the Entity may deposit additional funds at any time and also effectively may withdraw funds at any time without prior notice or penalty. Cash equivalents, excluding items classified as marketable securities, include short-term, highly liquid investments that are both readily convertible to known amounts of cash, and so near their maturity that they present minimal risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three years ago does not become a cash equivalent when its remaining maturity is three months. Compensating balance arrangements that do not legally restrict the withdrawal or usage of cash amounts may be reported as Cash and Cash Equivalents, while legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or company statements of intention with regard to particular deposits are not generally reported as cash and cash equivalents. Includes cash and cash equivalents associated with the entity's continuing operations. Excludes cash and cash equivalents associated with the 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 S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 3: 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 4: 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 5: 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 6: 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 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 8: 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 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 + Details
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- Definition The increase (decrease) resulting in a gain from the difference between the fair value and the carrying value, or in the comparative fair values, of trading securities held at each balance sheet date, that was included in earnings for the period. + 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 210.5-03.7(c)) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27357-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 13 -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 320 -SubTopic 10 -Section 35 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6956420&loc=d3e24584-111560 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 12 -Subparagraph a -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 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 21 -Subparagraph e -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. + Details
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- Definition Increase decrease in accrued litigation settlement liabilities. + References No definition available. + Details
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- Definition Increase decrease in accrued severance liabilities. + References No definition available. + Details
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- Definition Increase decrease in operating deferred revenue. + References No definition available. + Details
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- Definition No authoritative reference available. + References No definition available. + Details
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