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Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Operating activities: |  |  |
Consolidated net income (loss) | $ (23,504) | $ (3,798) | $ 9,309
Adjustments to reconcile consolidated net income (loss) to net cash provided by (used for) operating activities: |  |  |
Depreciation and amortization | 10,008 | 10,423 | 11,005
Deferred income taxes | 4,491 | (369) | 148
Stock-based compensation expense | 2,450 | 1,244 | 1,923
Impairment of goodwill |  | 2,012 |
(Decrease) increase in long-term deferred revenue | (139) | (139) | 350
Increase in long-term income taxes payable | (155) | 135 |
Excess tax benefit of share-based compensation |  | (105) | (133)
Gain on disposal of equipment | (26) | (33) | (21)
Credit loss (gain) on available for sale securities | 78 | 9 | (302)
Change in current assets and liabilities, net | 2,107 | 7,859 | 4,128
Net cash (used for) provided by operating activities | (4,690) | 17,238 | 26,407
Investing activities: |  |  |
Purchases of investments |  | (270) | (1,104)
Sales and maturities of investments | 1,024 | 3,630 | 11,142
Additions to property, plant and equipment | (6,179) | (7,396) | (7,466)
Proceeds from sale of equipment | 26 | 33 | 10
Decrease (increase) in other assets | 49 | (81) | (55)
Net cash (used for) provided by investing activities | (5,080) | (4,084) | 2,527
Financing activities: |  |  |
Purchases of Common Stock | (17,100) |  |
Proceeds from issuance of Common Stock | 27 | 9 | 452
Common Stock dividends paid |  |  | (6,272)
Noncontrolling interest dividends paid | (531) | (378) | (690)
Excess (reversal) tax benefit of share-based compensation | (451) | 105 | 133
Net cash used in financing activities | (18,055) | (264) | (6,377)
Effect of foreign exchange rates on cash | (390) | (244) | 72
Net (decrease) increase in cash and cash equivalents | (28,215) | 12,646 | 22,629
Cash and cash equivalents at beginning of period | 84,554 | 71,908 | 49,279
Cash and cash equivalents at end of period | 56,339 | 84,554 | 71,908
Change in assets and liabilities: |  |  |
Accounts receivable | (821) | 4,052 | 7,546
Inventories, net | 33 | 5,591 | (162)
Other current assets | (1,647) | 380 | (224)
Accounts payable and accrued liabilities | 4,580 | (1,670) | (3,861)
Accrued severance charges | 49 |  |
Income taxes payable | (321) | (84) | 324
Deferred revenue | 234 | (410) | 505
Change in current assets and liabilities, net | 2,107 | 7,859 | 4,128
Supplemental disclosures: |  |  |
Cash paid during the year for income taxes, net of refunds | $ (61) | $ 975 | $ 4,178

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- Definition The cash inflow from the additional capital contribution to the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition The cash inflow associated with the aggregate amount received by the entity through sale or maturity of marketable securities (held-to-maturity or available-for-sale) during the period. + References Reference 1: 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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26853-111562 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 + Details
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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 Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: 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=31042434&loc=d3e3179-108585 + Details
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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=31814832&loc=SL4591552-111686 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4569616-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=18733093&loc=SL4573702-111684 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=31814832&loc=SL4591551-111686 + Details
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