Note 5 - Property and Equipment, Net (Details Textual) $ in Thousands |
3 Months Ended | 12 Months Ended | |||||
---|---|---|---|---|---|---|---|
Nov. 29, 2019
USD ($)
|
Dec. 31, 2020
USD ($)
ft²
|
Sep. 30, 2020
USD ($)
|
Jun. 30, 2020
USD ($)
|
Mar. 31, 2020
USD ($)
|
Dec. 31, 2020
USD ($)
ft²
|
Dec. 31, 2019
USD ($)
|
|
Depreciation, Total | $ 1,900 | $ 3,500 | |||||
Impairment of Long-Lived Assets Held-for-use | $ 11,741 | $ (0) | $ (0) | $ (0) | $ 11,741 | $ (0) | |
AquaRefining Fire [Member] | |||||||
Property, Plant and Equipment, Transfers and Changes | $ 22,400 | ||||||
Accumulated Depreciation, Depletion and Amortization, Sale or Disposal of Property, Plant and Equipment | 2,500 | ||||||
Property, Plant and Equipment, Net Write-off | $ 19,900 | ||||||
Asset under Construction [Member] | |||||||
Area of Land (Square Foot) | ft² | 136,750 | 136,750 | |||||
Construction in Progress Not Yet Capitalized [Member] | |||||||
Property, Plant and Equipment, Net Write-off | $ 7,700 | ||||||
Property, Plant and Equipment, Other Types [Member] | |||||||
Property, Plant and Equipment, Net Write-off | $ 4,000 |
X | ||||||||||
- Definition Amount of net write-off of long-lived, physical assets used in the normal conduct of business and not intended for resale. No definition available.
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X | ||||||||||
- Definition Amount of decrease in accumulated depreciation, depletion and amortization as a result of sale or disposal of property, plant and equipment. No definition available.
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X | ||||||||||
- Definition Area of land held. No definition available.
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X | ||||||||||
- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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X | ||||||||||
- Definition The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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X | ||||||||||
- Definition Amount of increase (decrease) of physical assets used in the normal conduct of business and not intended for resale, from reclassification, impairment, donation, or changes classified as other. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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X | ||||||||||
- Details
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X | ||||||||||
- Details
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X | ||||||||||
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X | ||||||||||
- Details
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