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Note 6 - Changes in Accumulated Other Comprehensive Income by Component (Tables) | 3 Months Ended
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Mar. 31, 2013
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] |
|  | Three Months Ended March 31, 2013 (*) |
|  | Unrealized Gain and Loss on Available- for-sale Securities |  |  | Unrealized Gain and Loss on Cash Flow Hedges |  |  | Total |
Beginning Balance |  | $ | 691 |  |  | $ | 5 |  |  | $ | 696 |
Other comprehensive income before reclassification |  |  | -- |  |  |  | 45 |  |  |  | 45 |
Amounts reclassified from accumulated other comprehensive income |  |  | (307 | ) |  |  | (17 | ) |  |  | (324 | )
Net current-period other comprehensive income |  |  | (307 | ) |  |  | 28 |  |  |  | (279 | )
Ending Balance |  | $ | 384 |  |  | $ | 33 |  |  | $ | 417 |
Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block] |
|  | Amount Reclassified From Accumulated Other Comprehensive Income (*) |  |  |
|  | Three Months Ended March 31, |  |  |
Details About Accumulated Other Comprehensive Income (loss) Components |  | 2013 |  |  | 2012 |  |  | Statement of Operations Classification
Realized gain and loss on available-for sale securities |  | $ | 482 |  |  | $ | 460 |  |  | Gain on sale of securities and other
Total before tax |  | 482 |  |  | 460 |  |  |
Income tax expense |  | (175 | ) |  | (161 | ) |  | Income tax expense
Total reclassification related to available-for-sale securities |  | $ | 307 |  |  | $ | 299 |  |  | Net income
Realized gain and loss on cash flow hedges |  | $ | 26 |  |  | $ | (3 | ) |  | Cost of revenues
Total before tax |  | 26 |  |  | (3 | ) |  |
Income tax benefit (expense) |  | (9 | ) |  | 1 |  |  | Income tax expense
Total reclassification related to cash flow hedges |  | $ | 17 |  |  | $ | (2 | ) |  | Net income (loss)

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=20435746&loc=SL7669686-108580 + Details
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- Definition Tabular disclosure of the net gain (loss) and net prior service cost or credit recognized in other comprehensive income (loss) for the period for pension plans and/or other employee benefit plans, and reclassification adjustments of other comprehensive income (loss) for the period, as those amounts, including amortization of the net transition asset or obligation, are recognized as components of net periodic benefit cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 + Details
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