Note 6 - Property and Equipment, Net (Details Textual) $ in Millions |
3 Months Ended | ||
|---|---|---|---|
|
Mar. 31, 2021
USD ($)
|
Mar. 31, 2020
USD ($)
|
Feb. 15, 2021
ft²
|
|
| Depreciation, Total | $ | $ 0.3 | $ 0.6 | |
| Recycling Facility at TRIC [Member] | |||
| Area of Real Estate Property (Square Foot) | ft² | 136,750 | ||
| X | ||||||||||
- Definition Area of a real estate property. No definition available.
|
| 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
|
| X | ||||||||||
- Details
|