|
Note 15 - Income taxes (Details) - Losses Expected to Expire (USD $)
In Thousands, unless otherwise specified
|
Dec. 31, 2014
|
| Operating Loss Carryforwards [Line Items] |
|
| Income tax losses expected to reduce future taxable income |
$ 94,578 |
| Foreign Tax Authority [Member] | Expiration Date Two Thousand And Fifteen [Member] |
|
| Operating Loss Carryforwards [Line Items] |
|
| Income tax losses expected to reduce future taxable income |
3,121 |
| Foreign Tax Authority [Member] | Expiration Date Two Thousand And Twenty Six [Member] |
|
| Operating Loss Carryforwards [Line Items] |
|
| Income tax losses expected to reduce future taxable income |
3,099 |
| Foreign Tax Authority [Member] | Expiration Date Two Thousand And Twenty Seven [Member] |
|
| Operating Loss Carryforwards [Line Items] |
|
| Income tax losses expected to reduce future taxable income |
4,578 |
| Foreign Tax Authority [Member] | Expiration Date Two Thousand And Twenty Eight [Member] |
|
| Operating Loss Carryforwards [Line Items] |
|
| Income tax losses expected to reduce future taxable income |
5,209 |
| Foreign Tax Authority [Member] | Expiration Date Two Thousand And Twenty Nine [Member] |
|
| Operating Loss Carryforwards [Line Items] |
|
| Income tax losses expected to reduce future taxable income |
4,152 |
| Foreign Tax Authority [Member] | Expiration Date Two Thousand And Thirty [Member] |
|
| Operating Loss Carryforwards [Line Items] |
|
| Income tax losses expected to reduce future taxable income |
3,819 |
| Foreign Tax Authority [Member] | Expiration Date Two Thousand And Thirty One [Member] |
|
| Operating Loss Carryforwards [Line Items] |
|
| Income tax losses expected to reduce future taxable income |
11,186 |
| Foreign Tax Authority [Member] | Expiration Date Two Thousand And Thirty Two [Member] |
|
| Operating Loss Carryforwards [Line Items] |
|
| Income tax losses expected to reduce future taxable income |
16,810 |
| Foreign Tax Authority [Member] | Expiration Date Two Thousand and Thirty Three [Member] |
|
| Operating Loss Carryforwards [Line Items] |
|
| Income tax losses expected to reduce future taxable income |
12,529 |
| Foreign Tax Authority [Member] | Expiration Date Two Thousand and Thirty Four [Member] |
|
| Operating Loss Carryforwards [Line Items] |
|
| Income tax losses expected to reduce future taxable income |
29,893 |
| Foreign Tax Authority [Member] |
|
| Operating Loss Carryforwards [Line Items] |
|
| Income tax losses expected to reduce future taxable income |
94,396 |
| Domestic Tax Authority [Member] | Expiration Date Two Thousand and Thirty Four [Member] |
|
| Operating Loss Carryforwards [Line Items] |
|
| Income tax losses expected to reduce future taxable income |
182 |
| Domestic Tax Authority [Member] |
|
| Operating Loss Carryforwards [Line Items] |
|
| Income tax losses expected to reduce future taxable income |
182 |
| Expiration Date Two Thousand And Fifteen [Member] |
|
| Operating Loss Carryforwards [Line Items] |
|
| Income tax losses expected to reduce future taxable income |
3,121 |
| Expiration Date Two Thousand And Twenty Six [Member] |
|
| Operating Loss Carryforwards [Line Items] |
|
| Income tax losses expected to reduce future taxable income |
3,099 |
| Expiration Date Two Thousand And Twenty Seven [Member] |
|
| Operating Loss Carryforwards [Line Items] |
|
| Income tax losses expected to reduce future taxable income |
4,578 |
| Expiration Date Two Thousand And Twenty Eight [Member] |
|
| Operating Loss Carryforwards [Line Items] |
|
| Income tax losses expected to reduce future taxable income |
5,209 |
| Expiration Date Two Thousand And Twenty Nine [Member] |
|
| Operating Loss Carryforwards [Line Items] |
|
| Income tax losses expected to reduce future taxable income |
4,152 |
| Expiration Date Two Thousand And Thirty [Member] |
|
| Operating Loss Carryforwards [Line Items] |
|
| Income tax losses expected to reduce future taxable income |
3,819 |
| Expiration Date Two Thousand And Thirty One [Member] |
|
| Operating Loss Carryforwards [Line Items] |
|
| Income tax losses expected to reduce future taxable income |
11,186 |
| Expiration Date Two Thousand And Thirty Two [Member] |
|
| Operating Loss Carryforwards [Line Items] |
|
| Income tax losses expected to reduce future taxable income |
16,810 |
| Expiration Date Two Thousand and Thirty Three [Member] |
|
| Operating Loss Carryforwards [Line Items] |
|
| Income tax losses expected to reduce future taxable income |
12,529 |
| Expiration Date Two Thousand and Thirty Four [Member] |
|
| Operating Loss Carryforwards [Line Items] |
|
| Income tax losses expected to reduce future taxable income |
$ 30,075 |