UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) $ in Thousands |
3 Months Ended | 12 Months Ended | ||||
|---|---|---|---|---|---|---|
|
Mar. 31, 2019
USD ($)
|
Dec. 31, 2018
USD ($)
|
Mar. 31, 2019
£ / shares
|
Mar. 31, 2019
USD ($)
shares
|
Dec. 31, 2018
£ / shares
|
Dec. 31, 2018
USD ($)
shares
|
|
| UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS | ||||||
| Allowance for doubtful accounts | $ 0 | $ 0 | ||||
| Operating lease right-of-use assets, accumulated amortization | $ 656 | $ 0 | ||||
| Property, plant and equipment, accumulated depreciation | 18,083 | 15,924 | ||||
| Intangibles, accumulated amortization | $ 1,411 | $ 1,218 | ||||
| Common stock, par value | £ / shares | £ 0.001 | £ 0.001 | ||||
| Common stock, shares authorized | shares | 701,103,126 | 701,103,126 | ||||
| Common stock, shares issued | shares | 628,294,702 | 627,454,270 | ||||
| Common stock, shares outstanding | shares | 628,294,702 | 627,454,270 | ||||
| X | ||||||||||
- Definition Amount of accumulated amortization of operating lease right-of-use assets. No definition available.
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| X | ||||||||||
- Definition Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Face amount or stated value per share of common stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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