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Income taxes | 12 Months Ended
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Dec. 31, 2012
Income taxes | Note 9—Income taxes: The provision for income taxes attributable to continuing operations, the difference between such provision for income taxes and the amount that would be expected using the U.S. federal statutory income tax rate of 35%, and the comprehensive provision for income taxes are presented below. All of our pre-tax income attributable to continuing operations relates to operations in the United States.
|  | Years ended December 31, |
|  | 2010 |  |  | 2011 |  |  | 2012 |
|  | (In thousands) |
Provision for income taxes: |  |  |  |  |  |  |  |  |  |  |  |
Currently payable |  | $ | 2,680 |  |  | $ | 2,677 |  |  | $ | 1,633 |
Deferred income tax benefit |  |  | (813 | ) |  |  | (133 | ) |  |  | (218 | )
Total |  | $ | 1,867 |  |  | $ | 2,544 |  |  | $ | 1,415 |
Expected tax expense, at the U.S. federal statutory income tax rate of 35% |  | $ | 1,857 |  |  | $ | 2,117 |  |  | $ | 1,729 |
State income taxes and other, net |  |  | 231 |  |  |  | 337 |  |  |  | 173 |
Tax credits |  |  | (221 | ) |  |  | (251 | ) |  |  | (170 | )
Valuation allowance |  |  | — |  |  |  | 341 |  |  |  | (317 | )
Total |  | $ | 1,867 |  |  | $ | 2,544 |  |  | $ | 1,415 |
Comprehensive provision for income tax allocable to: |  |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations |  | $ | 1,867 |  |  | $ | 2,544 |  |  | $ | 1,415 |
Discontinued operations |  |  | 3,877 |  |  |  | 4,876 |  |  |  | 5,397 |
Total |  | $ | 5,744 |  |  | $ | 7,420 |  |  | $ | 6,812 |
The components of net deferred tax assets (liabilities) are summarized below.
|  | December 31, |
|  | 2011 |  |  | 2012 |
|  | (In thousands) |
Tax effect of temporary differences related to: |  |  |  |  |  |  |  |
Inventories |  | $ | 932 |  |  | $ | 953 |
Tax on unremitted earnings of non-U.S. subsidiaries |  |  | (7,671 | ) |  |  | — |
Property and equipment |  |  | (3,971 | ) |  |  | (3,775 | )
Accrued liabilities and other deductible differences |  |  | 164 |  |  |  | 304 |
Accrued employee benefits |  |  | 1,412 |  |  |  | 1,484 |
Tax loss and credit carryforwards |  |  | 494 |  |  |  | 130 |
Goodwill |  |  | (2,179 | ) |  |  | (2,374 | )
Other taxable differences |  |  | (511 | ) |  |  | (87 | )
Valuation allowance |  |  | (341 | ) |  |  | (126 | )
Total |  | $ | (11,671 | ) |  | $ | (3,491 | )
Net current deferred tax assets |  |  | 2,495 |  |  |  | 2,691 |
Net noncurrent deferred tax liabilities |  |  | (14,166 | ) |  |  | (6,182 | )
Total |  | $ | (11,671 | ) |  | $ | (3,491 | )
Our tax loss and credit carryforwards at December 31, 2011 and 2012 relate to carryforwards in various U.S. state jurisdictions. At December 31, 2012, we had approximately $1.2 million of state net operating loss carryforwards with expiration dates ranging from 2023 to 2030. At December 31, 2011 and 2012, we concluded that the benefit associated with a portion of our U.S. state net operating losses do not meet the more-likely-than-not recognition criteria, accordingly we have recognized a deferred income tax asset valuation allowance of $341,000 and $126,000 at December 31, 2011 and 2012, respectively, with respect to such carryforwards. Our provision for income taxes attributable to continuing operations includes an expense of $341,000 in 2011 and a benefit of $317,000 in 2012 related to changes in such valuation allowance. We file income tax returns in various U.S. federal, state and local jurisdictions. Prior to 2012, we also filed income tax returns in various foreign jurisdictions, principally in Canada and Taiwan. Our domestic income tax returns prior to 2009 are generally considered closed to examination by applicable tax authorities.

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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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