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Note 8 - Income Taxes | 6 Months Ended
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Jun. 30, 2012
Income Tax Disclosure [Text Block] | 8. INCOME TAXES For the six months ended June 30, 2012, the Company recorded a provision for income taxes of $1.2 million on income before income taxes of $3.5 million, using an estimated effective tax rate for our 2012 fiscal year. Comparatively, for the six months ended June 30, 2011, the Company recorded a provision for income taxes of $0.3 million on income before taxes of $1.6 million, using an estimated effective tax rate for its 2011 fiscal year adjusted for certain foreign exchange losses for which it did not anticipate obtaining a current tax benefit in that fiscal year. The effective tax rate for the six months ended June 30, 2012 differs from the effective rate for the comparative period ended June 30, 2011 as a result of the change in temporary differences during the period in respect of deferred tax assets that were recognized in the fourth quarter of 2011. In assessing the realizability of deferred tax assets, management considers whether it is more likely than not that some portion or all of the deferred tax assets will not be realized. The ultimate realization of deferred tax assets is dependent upon the generation of future taxable income during the years in which those temporary differences become deductible. Management considers projected future taxable income, uncertainties related to the industry in which it operates, and tax planning strategies in making this assessment. During the fourth quarter of 2011 the Company released the remaining valuation allowance of $3.6 million. The Company follows the provisions of FASB ASC Topic 740, Income Taxes to account for income tax exposures. The application of this interpretation requires a two-step process that separates recognition of uncertain tax benefits from measurement thereof. The Company had approximately $0.2 million of total gross unrecognized tax benefit as of June 30, 2012 and $0.2 million of total gross unrecognized tax benefit as of December 31, 2011, which if recognized would favorably affect its income tax rate in future periods. The unrecognized tax benefit relates primarily to prior year Pennsylvania state franchise taxes and other insignificant U.S. state taxes as well as unrecognized tax benefits for 2011 research and development tax credits. The Company recognizes accrued interest and penalties related to income taxes in income tax expense. The Company did not have significant interest and penalties accrued as of June 30, 2012 and December 31, 2011, respectively. The Company believes that it is reasonably possible that all of the unrecognized tax benefit will decrease in the next twelve months as it is anticipated that the U.S. tax authorities will finalize their review of prior taxes owing in Pennsylvania within the period, certain other prior year state tax returns will be filed and the 2011 Canadian research and development claim will be assessed.

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- Definition The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 136, 172 -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 -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 43, 44, 45, 46, 47, 48, 49 -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 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 + Details
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