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Consolidated Statement of Stockholders' Equity and Comprehensive Income(loss) (USD $) In Thousands, unless otherwise specified | Common Class A [Member] | Common Class B [Member] | Additional Paid-in Capital [Member] | Treasury Stock [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Retained Earnings [Member] | Total
--- | --- | --- | --- | --- | --- | --- | ---
Balances at Dec. 31, 2008 | $ 135 | $ 24 | $ 91,912 | $ (21,007) |  | $ 47,756 | $ 118,820
Net income (loss) |  |  |  |  |  | (25,030) | (25,030)
Other comprehensive loss: |  |  |  |  |  |  |
Unrealized gain on effective portion of fuel hedge, net of tax |  |  |  |  | 305 |  | 305
Comprehensive income (loss) |  |  |  |  | 305 | (25,030) | (24,725)
Stock-based employee compensation cost |  |  | 595 |  |  |  | 595
Issuance of restricted stock | 1 |  | (1,828) | 1,812 |  |  | (15)
Balances at December 31, 2011 at Dec. 31, 2009 | 136 | 24 | 90,679 | (19,195) | 305 | 22,726 | 94,675
Net income (loss) |  |  |  |  |  | 3,289 | 3,289
Other comprehensive loss: |  |  |  |  |  |  |
Unrealized gain on effective portion of fuel hedge, net of tax |  |  |  |  | 1,938 |  | 1,938
Comprehensive income (loss) |  |  |  |  | 1,938 | 3,289 | 5,227
Reclassification of fuel hedge gain into statement of operations, net of tax |  |  |  |  | (1,767) |  | (1,767)
Stock-based employee compensation cost |  |  | 1,018 |  |  |  | 1,018
Issuance of restricted stock | 2 |  | (2,582) | 2,396 |  |  | (184)
Exercise of stock options | 2 |  | 1,306 |  |  |  | 1,308
Income tax benefit arising from exercise of stock options and restricted stock vesting |  |  | 421 |  |  |  | 421
Balances at December 31, 2011 at Dec. 31, 2010 | 140 | 24 | 90,842 | (16,799) | 476 | 26,015 | 100,698
Net income (loss) |  |  |  |  |  | (14,267) | (14,267)
Other comprehensive loss: |  |  |  |  |  |  |
Unrealized gain on effective portion of fuel hedge, net of tax |  |  |  |  | 1,500 |  | 1,500
Comprehensive income (loss) |  |  |  |  | 1,500 | (14,267) | (12,767)
Reclassification of fuel hedge gain into statement of operations, net of tax |  |  |  |  | (1,926) |  | (1,926)
Stock-based employee compensation cost |  |  | 1,026 |  |  |  | 1,026
Issuance of restricted stock | 3 |  | (2,765) | 2,354 |  |  | (408)
Income tax benefit arising from exercise of stock options and restricted stock vesting |  |  | 432 |  |  |  | 432
Balances at December 31, 2011 at Dec. 31, 2011 | $ 143 | $ 24 | $ 89,535 | $ (14,445) | $ 50 | $ 11,748 | $ 87,055

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- Definition The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6920043&loc=d3e540-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 30 -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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A5 -Appendix A Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(3) -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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 8, 9, 10, 11, 12, 13, 14 -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 -Glossary Comprehensive Income -URI http://asc.fasb.org/extlink&oid=6508144 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Net Income -URI http://asc.fasb.org/extlink&oid=6518256 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6920043&loc=d3e557-108580 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Other Comprehensive Income -URI http://asc.fasb.org/extlink&oid=6519514 + Details
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