Income taxes (Components of Deferred Income Tax Assets) (Details) - USD ($) $ in Thousands |
Dec. 31, 2017 |
Dec. 31, 2016 |
|---|---|---|
| Deferred income tax assets: | ||
| Net operating loss carry-forward | $ 3,512 | $ 1,307 |
| Less: Valuation allowance | (3,512) | (1,307) |
| Deferred income tax assets, net | 0 | 0 |
| Deferred Tax Liabilities, Net, Noncurrent | 10,572 | 6,323 |
| Leasehold improvements [Member] | ||
| Deferred income tax assets: | ||
| Deferred Tax Liabilities, Property, Plant and Equipment | 7 | 0 |
| Proprietary technology of BOCA [Member] | ||
| Deferred income tax assets: | ||
| Deferred Tax Liabilities, Intangible Assets | 5,972 | 6,299 |
| Backlog [Member] | ||
| Deferred income tax assets: | ||
| Deferred Tax Liabilities, Intangible Assets | 0 | 24 |
| Virtual reality technologies [Member] | ||
| Deferred income tax assets: | ||
| Deferred Tax Liabilities, Intangible Assets | $ 4,593 | $ 0 |
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- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from intangible assets other than goodwill. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, with jurisdictional netting and classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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