Note 6 - Assets Held for Sale	9 Months Ended
Sep. 30, 2021
Notes to Financial Statements
Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]	6. Assets Held for Sale Assets are classified as held for sale when, among other factors, they are identified and marketed for sale in their present condition, management is committed to their disposal, and the sale of the asset is probable within one year. Management believes these assets are no longer necessary for the Company's future operating plans. During the quarter ended September 30, 2021, the Company classified certain assets with a book value of $0.2 million to assets held for sale. In addition, in conjunction with the plant clean-up, the Company disposed of assets held for sale with a book value of approximately $1.4 million during the third quarter of 2021. For the nine months ended September 30, 2021, Aqua Metals classified a total of $5.4 million to assets held for sale and disposed of assets held for sale with a book value of approximately $2.2 million.

Note 6 - Assets Held for Sale

9 Months Ended

Sep. 30, 2021

Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]

6. Assets Held for Sale

Assets are classified as held for sale when, among other factors, they are identified and marketed for sale in their present condition, management is committed to their disposal, and the sale of the asset is probable within one year. Management believes these assets are no longer necessary for the Company's future operating plans. During the quarter ended September 30, 2021, the Company classified certain assets with a book value of $0.2 million to assets held for sale. In addition, in conjunction with the plant clean-up, the Company disposed of assets held for sale with a book value of approximately $1.4 million during the third quarter of 2021. For the nine months ended September 30, 2021, Aqua Metals classified a total of $5.4 million to assets held for sale and disposed of assets held for sale with a book value of approximately $2.2 million.