Note 10 - Other Matters - Joint Venture (Details Textual) - USD ($) | Jul. 11, 2019 | Apr. 02, 2019 | Apr. 16, 2016 | Feb. 29, 2020 | Aug. 31, 2021 | Feb. 28, 2021 | Jul. 08, 2019 | Jun. 28, 2019 |
Memorandum of Understanding, Joint Venture, Percentage of Ownership | | | 33.00% | | | | | | |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | [1] | | | | $ 0.25 | $ 0.25 | $ 0.25 | | |
Warrants to Purchase Restricted Shares Issued to RF [Member] | | | | | | | | | |
Stock Issued During Period, Shares, New Issues (in shares) | | 1,000,000 | | | | | | | |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) | | 1,000,000 | | | | | | | |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | | $ 0.25 | | | | | | | |
Warrants and Rights Outstanding, Term (Month) | | 18 months | | | | | | | |
Warrant Issued to Mr. Haaye de Jong [Member] | | | | | | | | | |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) | | 250,000 | | | | | | | |
Warrants Issued to Mr. Haaye de Jong in June 2019 [Member] | | | | | | | | | |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) | | 500,000 | | | | | | | |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | | $ 0.25 | | | | | | | |
Warrants Issued to Mr. Kevin Holinaty in June 2019 [Member] | | | | | | | | | |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) | | 500,000 | | | | | | | |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | | $ 0.25 | | | | | | | |
EES - E and EETC [Member] | | | | | | | | | |
Equity Method Investment, Ownership Percentage | | | | | | | | 25.00% | |
License and Operating Agreement, Aggregate Purchase Price, Licensing and Distribution | | | | | | | | $ 150,000 | |
Easy Energy Systems, Inc. [Member] | | | | | | | | | |
Memorandum of Understanding, Option to Merge, Term (Day) | | | 90 days | | | | | | |
Memorandum of Understanding, Anticipated Cost of Power Plant | | | | $ 10,000,000 | | | | | |
Payments for Power Plant Under Memorandum of Understanding | | | | $ 25,000 | | | | | |
Binding Letter of Intent, Capital to be Raised Within 90 Days | | | | | | | | | $ 10,000,000 |
Easy Energy Systems, Inc. [Member] | General and Administrative Expense [Member] | | | | | | | | | |
Memorandum of Understanding, Power Plant Expense | | | | | $ 25,000 | | | | |
Raul Factor BV [Member] | | | | | | | | | |
Proceeds from Issuance or Sale of Equity, Total | | $ 200,000 | | | | | | | |
Stock Issued During Period, Shares, New Issues (in shares) | | 1,000,000 | | | | | | | |
Equity Offering, Units Issued or Issuable (in shares) | | 1,000,000 | | | | | | | |
Equity Offering, Units Issued, Price Per Share (in dollars per share) | | $ 0.20 | | | | | | | |
Mr. Kevin Holinaty [Member] | Warrant No. 002 [Member] | | | | | | | | | |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) | | 500,000 | | | | | | | |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | | $ 0.25 | | | | | | | |
Mr. Kevin Holinaty [Member] | Warrant No. 003 [Member] | | | | | | | | | |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) | | 250,000 | | | | | | | |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | | $ 0.25 | | | | | | | |
Easy Energy Systems, Inc. [Member] | | | | | | | | | |
Memorandum of Understanding, Joint Venture, Percentage of Ownership | | | 67.00% | | | | | | |
Easy Energy Systems, Inc. [Member] | EES - E and EETC [Member] | | | | | | | | | |
Equity Method Investment, Ownership Percentage | | | | | | | | 25.00% | |
Raul Factor BV [Member] | EES - E and EETC [Member] | | | | | | | | | |
Equity Method Investment, Ownership Percentage | | | | | | | | 50.00% | |
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[1] | Weighted average exercise price per shares | |