21. Share-based compensation (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 12 Months Ended | |
|---|---|---|---|
Mar. 31, 2018 |
Apr. 01, 2017 |
Dec. 31, 2016 |
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| Equity [Abstract] | |||
| Share-based compensation expense | $ 0 | $ 23 | |
| Weighted average fair value of options granted | $ 1.12 | ||
| X | ||||||||||
- References No definition available.
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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