Note 6 - Equity - Schedule of Stockholders Equity (Details) - USD ($)
$ in Thousands |
6 Months Ended |
Jun. 30, 2017 |
Jun. 30, 2016 |
| Balances |
$ 47,906
|
$ 4,027
|
| Balances |
12,299
|
9,658
|
| Issuance of ordinary shares (unaudited) |
89,443
|
|
| Share-based compensation (unaudited) |
8,756
|
|
| Foreign currency translation loss (unaudited) |
(5)
|
(39)
|
| Net loss (unaudited) |
(62,587)
|
(5,592)
|
| Common Stock [Member] |
|
|
| Balances |
2
|
2
|
| Balances |
2
|
2
|
| Issuance of ordinary shares (unaudited) |
|
|
| Share-based compensation (unaudited) |
|
|
| Foreign currency translation loss (unaudited) |
|
|
| Net loss (unaudited) |
|
|
| Additional Paid-in Capital [Member] |
|
|
| Balances |
141,143
|
29,119
|
| Balances |
44,369
|
29,119
|
| Issuance of ordinary shares (unaudited) |
89,443
|
|
| Share-based compensation (unaudited) |
7,331
|
|
| Foreign currency translation loss (unaudited) |
|
|
| Net loss (unaudited) |
|
|
| Retained Earnings [Member] |
|
|
| Balances |
(92,865)
|
(25,507)
|
| Balances |
(32,128)
|
(20,118)
|
| Issuance of ordinary shares (unaudited) |
|
|
| Share-based compensation (unaudited) |
|
|
| Foreign currency translation loss (unaudited) |
|
|
| Net loss (unaudited) |
(60,737)
|
(5,389)
|
| AOCI Attributable to Parent [Member] |
|
|
| Balances |
(94)
|
(76)
|
| Balances |
(91)
|
(53)
|
| Issuance of ordinary shares (unaudited) |
|
|
| Share-based compensation (unaudited) |
|
|
| Foreign currency translation loss (unaudited) |
(3)
|
(23)
|
| Net loss (unaudited) |
|
|
| Noncontrolling Interest [Member] |
|
|
| Balances |
(280)
|
489
|
| Balances |
147
|
708
|
| Issuance of ordinary shares (unaudited) |
|
|
| Share-based compensation (unaudited) |
1,425
|
|
| Foreign currency translation loss (unaudited) |
(2)
|
(16)
|
| Net loss (unaudited) |
$ (1,850)
|
$ (203)
|