Note 3 - Shareholders' Equity (Details Textual)					1 Months Ended	3 Months Ended		12 Months Ended
		May 16, 2022 shares	Feb. 15, 2022 USD ($) $ / shares shares	Jul. 14, 2021 shares	May 31, 2023 shares	Mar. 31, 2024 USD ($) $ / shares shares	Mar. 31, 2023 shares	Dec. 31, 2022 USD ($) shares	Mar. 31, 2024 $ / shares	Dec. 31, 2022 $ / shares shares
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount | $						$ 1,000,000
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)						2 years 1 month 6 days
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value | $						$ 95,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value | $						$ 39,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period (in shares)							0
Class of Warrant or Right, Outstanding (in shares)						6,022,102
Jones Special Warrant [Member]
Proceeds from a Subscription Receipt, Net | $								$ 8,000,000
Subscription Receipt, Conversion into Warrants (in shares)								16,000,000
Class of Warrant or Right, Outstanding (in shares)	[1]					6,022,102
Class of Warrant or Right, Exercise Price of Warrants or Rights (in CAD per share) | $ / shares						$ 0.63
Class of Warrants or Rights, Expired During Period (in shares)						20,025,035
Pinestar Warrants [Member]
Class of Warrant or Right, Outstanding (in shares)										1,674,808
Class of Warrant or Right, Exercise Price of Warrants or Rights (in CAD per share) | $ / shares									$ 0.06	$ 0.06
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Exercised (in shares)						974,808
Proceeds from Warrant Exercises | $						$ 44,000
Class of Warrants or Rights, Expired During Period (in shares)						500,000
Conversion of 2021 Unsecured Convertible Debenture into Jones Special Warrants [Member]
Debt Conversion, Converted Instrument, Warrants or Options Issued (in shares)				4,025,035
Conversion of 2022 Unsecured Convertible Debenture into Jones Special Warrants [Member]
Debt Conversion, Converted Instrument, Warrants or Options Issued (in shares)								6,022,102
Pinestar Subscription Receipt Offering [Member]
Stock Issued During Period, Shares, New Issues (in shares)			20,000,048
Proceeds from Issuance or Sale of Equity, Total | $			$ 7,152,000
Shares Issued, Price Per Share (in dollars per share) | $ / shares			$ 0.5
Director [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)					3 years
Director [Member] | Share-Based Payment Arrangement, Nonemployee [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Net of Forfeitures (in shares)					300,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Granted Annual Compensation (in shares)					150,000
Two Board of Director's Members [Member] | Pinestar Warrants [Member]
Class of Warrant or Right, Warrants Issued During Period (in shares)								600,000
The 2022 Incentive Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)		10,000,000
Common Stock, Capital Shares Reserved for Future Issuance (in shares)		11,936,074
The 2011 Incentive Plan [Member]
Common Stock, Capital Shares Reserved for Future Issuance (in shares)		1,936,074
Share-Based Compensation Arrangement by Share-Based Payment Award, Annual Increase, Percentage of Common Stock Shares Outstanding		4.00%
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares)						9,780,514
The 2011 Incentive Plan [Member] | Share-Based Payment Arrangement, Option [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year)		10 years

[1] Upon conversion of the beforementioned 2021 Unsecured Convertible Debenture, 4,025,035 Jones Special Warrants were issued. In connection with the beforementioned Plan of Arrangement, Pinestar completed an offering for Subscription Receipts for aggregate gross proceeds of $8,000,000. Pursuant to the Plan of Arrangement, each Subscription Receipt automatically converted into 16,000,000 Jones Special Warrants. Lastly, Upon conversion of the beforementioned 2022 Unsecured Convertible Debenture, 6,022,102 Jones Special Warrants were issued.