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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2014
Accounting Policies [Abstract] |
Summary of Components of Balance Sheet Accounts Classified as Assets and Liabilities of Discontinued Operations | The table below presents the components of the balance sheet accounts associated with the OCTG business as of December 31, 2013 (in thousands). All sold assets and liabilities were transferred to the buyer as of March 30, 2014.
|  | December 31, 2013 |
Assets: |  |  |  |
Trade and other receivables, net |  | $ | 11,673 |
Inventories |  |  | 44,668 |
Prepaid expenses and other |  |  | 206 |
Total current assets |  |  | 56,547 |
Property and equipment, net |  |  | 11,509 |
Total assets |  |  | 68,056 |
Liabilities: |  |  |  |
Current portion of capital lease obligations |  |  | 1,289 |
Accounts payable |  |  | 3,013 |
Accrued liabilities |  |  | 1,466 |
Deferred revenue |  |  | 4,505 |
Total current liabilities |  |  | 10,273 |
Capital lease obligations, less current portion |  |  | 4,075 |
Total liabilities |  | $ | 14,348 |
Summary of Operating Results for Company's Discontinued Operations | The table below presents the operating results for the Company’s discontinued operations (in thousands). These operating results for 2014, 2013 and 2012 do not necessarily reflect what they would have been had the OCTG business not been classified as a discontinued operation.
|  | Year Ended December 31, |
|  | 2014 |  |  | 2013 |  |  | 2012 |
Net sales |  | $ | 22,225 |  |  | $ | 116,111 |  |  |  | 135,601 |
Cost of sales |  |  | 23,881 |  |  |  | 123,888 |  |  |  | 138,511 |
Gross loss |  |  | (1,656 | ) |  |  | (7,777 | ) |  |  | (2,910 | )
Selling, general, and administrative |  |  | 396 |  |  |  | 1,509 |  |  |  | 816 |
Impairment of fixed assets |  |  | — |  |  |  | 27,500 |  |  |  | — |
Operating loss |  |  | (2,052 | ) |  |  | (36,786 | ) |  |  | (3,726 | )
Loss on sale of business |  |  | (13,497 | ) |  |  | — |  |  |  | — |
Interest income |  |  | — |  |  |  | 47 |  |  |  | 13 |
Interest expense |  |  | (99 | ) |  |  | (344 | ) |  |  | (411 | )
Loss before income taxes |  |  | (15,648 | ) |  |  | (37,083 | ) |  |  | (4,124 | )
Income tax benefit |  |  | (3,934 | ) |  |  | (14,484 | ) |  |  | (2,867 | )
Net loss |  | $ | (11,714 | ) |  | $ | (22,599 | ) |  | $ | (1,257 | )
Summary of Earnings (Loss) per Basic and Diluted Weighted Average Common Shares Outstanding | Earnings (loss) per basic and diluted weighted average common shares outstanding was calculated as follows for the years ended December 31 (in thousands, except per share data):
|  | 2014 |  |  | 2013 |  |  | 2012 |
Income (loss) from continuing operations |  | $ | (6,173 | ) |  | $ | 21,676 |  |  | $ | 17,501 |
Loss from discontinued operations |  |  | (11,714 | ) |  |  | (22,599 | ) |  |  | (1,257 | )
Net income (loss) |  | $ | (17,887 | ) |  | $ | (923 | ) |  | $ | 16,244 |
Basic weighted-average common shares outstanding |  |  | 9,515 |  |  |  | 9,445 |  |  |  | 9,377 |
Effect of potentially dilutive common shares(1) |  |  | — |  |  |  | 89 |  |  |  | 68 |
Diluted weighted-average common shares outstanding |  |  | 9,515 |  |  |  | 9,534 |  |  |  | 9,445 |
Earnings (loss) per basic common share: |  |  |  |  |  |  |  |  |  |  |  |
Continuing operations |  | $ | (0.65 | ) |  | $ | 2.29 |  |  | $ | 1.87 |
Discontinued operations |  |  | (1.23 | ) |  |  | (2.39 | ) |  |  | (0.14 | )
Total |  | $ | (1.88 | ) |  | $ | (0.10 | ) |  | $ | 1.73 |
Earnings (loss) per diluted common share: |  |  |  |  |  |  |  |  |  |  |  |
Continuing operations |  | $ | (0.65 | ) |  | $ | 2.27 |  |  | $ | 1.85 |
Discontinued operations |  |  | (1.23 | ) |  |  | (2.37 | ) |  |  | (0.13 | )
Total |  | $ | (1.88 | ) |  | $ | (0.10 | ) |  | $ | 1.72 |
Antidilutive shares excluded from net earnings per diluted common share calculation |  |  | 65 |  |  |  | 93 |  |  |  | 92 |
(1) | Represents the effect of the assumed exercise of stock options and the vesting of restricted stock units and performance stock awards, based on the treasury stock method.

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- Definition Tabular disclosure of disposal groups, which may include the gain (loss) recognized in the income statement and the income statement caption that includes that gain (loss), amounts of revenues and pretax profit or loss reported in discontinued operations, the classification and carrying value of the assets and liabilities comprising the disposal group, and the segment in which the disposal group was reported. Also may include the amount of adjustments to amounts previously reported in discontinued operations such as resolution of contingencies arising from the disposal transaction or the operations of the component prior to disposal. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e957-107759 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1510-107760 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1474-107760 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2443-110228 + Details
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