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Note 11 - Accumulated Other Comprehensive Income (Loss) (Tables) | 12 Months Ended
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Dec. 31, 2019
Notes Tables |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] |
|  | Year ended December 31, 2018 |  |  | Year ended December 31, 2019 |
|  | Unrealized gains (losses) on available- for-sale marketable securities |  |  | Unrealized gains (losses) on cash flow hedges |  |  | Total |  |  | Unrealized gains (losses) on available- for-sale marketable securities |  |  | Unrealized gains (losses) on cash flow hedges |  |  | Total |
Beginning balance |  | $ | (586 | ) |  | $ | — |  |  | $ | (586 | ) |  | $ | (1,046 | ) |  | $ | (68 | ) |  | $ | (1,114 | )
Other comprehensive income (loss) before reclassifications |  |  | (521 | ) |  |  | (380 | ) |  |  | (901 | ) |  |  | 1,072 |  |  |  | 388 |  |  |  | 1,460 |
Amounts reclassified from accumulated other comprehensive income (loss) |  |  | 61 |  |  |  | 312 |  |  |  | 373 |  |  |  | 19 |  |  |  | (271 | ) |  |  | (252 | )
Net current period other comprehensive income (loss) |  |  | (460 | ) |  |  | (68 | ) |  |  | (528 | ) |  |  | 1,091 |  |  |  | 117 |  |  |  | 1,208 |
Ending balance |  | $ | (1,046 | ) |  | $ | (68 | ) |  | $ | (1,114 | ) |  | $ | 45 |  |  | $ | 49 |  |  | $ | 94 |
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] |
Details about Accumulated Other Comprehensive Income (Loss) Components |  | Amount reclassified from accumulated other comprehensive income (loss) |  |  | Affected Line Item in the Statements of Income
|  | Year ended December 31, |  |  |
|  | 2017 |  |  | 2018 |  |  | 2019 |  |  |
Unrealized gains (losses) on cash flow hedges |  | $ | 4 |  |  | $ | (7 | ) |  | $ | 5 |  |  | Cost of revenues
|  |  | 162 |  |  |  | (308 | ) |  |  | 272 |  |  | Research and development
|  |  | 10 |  |  |  | (13 | ) |  |  | 8 |  |  | Sales and marketing
|  |  | 13 |  |  |  | (26 | ) |  |  | 22 |  |  | General and administrative
|  |  | 189 |  |  |  | (354 | ) |  |  | 307 |  |  | Total, before income taxes
|  |  | 21 |  |  |  | (42 | ) |  |  | 36 |  |  | Income tax expense (benefit)
|  |  | 168 |  |  |  | (312 | ) |  |  | 271 |  |  | Total, net of income taxes
Unrealized gains (losses) on available-for-sale marketable securities |  |  | — |  |  |  | (67 | ) |  |  | (28 | ) |  | Financial income, net
|  |  | (1 | ) |  |  | (6 | ) |  |  | (9 | ) |  | Income tax benefit
|  |  | 1 |  |  |  | (61 | ) |  |  | (19 | ) |  | Total, net of income taxes
|  | $ | 169 |  |  | $ | (373 | ) |  | $ | 252 |  |  | Total, net of income taxes

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- Definition Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss). + References No definition available. + Details
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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669686-108580 + Details
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