Note 7 - Stock Options (Details Textual)				3 Months Ended		9 Months Ended				12 Months Ended
	Jan. 29, 2021 CAD ($) $ / shares shares	Dec. 21, 2020 CAD ($) $ / shares shares	Jul. 21, 2020 CAD ($) $ / shares shares	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) shares	Sep. 30, 2022 CAD ($) $ / shares shares	Sep. 30, 2021 USD ($)	Sep. 30, 2021 CAD ($)	Dec. 31, 2021 CAD ($) $ / shares shares
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)						100,000	100,000			1,465,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number (in shares)							3,618,000
Share-Based Payment Arrangement, Expense | $				$ 80,267	$ 169,373	$ 336,107		$ 537,019
Rolling Stock Option Plan [Member]
Share-based Compensation Arrangement, Percent of Issued and Outstanding Common Shares Reserved							10.00%			10.00%
Rolling Stock Option Plan [Member] | Employee Stock Option, Expiration Date of August 1, 2024 [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)						100,000	100,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number (in shares)							100,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price (in CAD per share) | $ / shares							$ 0.80
Share-based Compensation Arrangement by Share-based Payment Award, Options, Fair Value | $							$ 54,600
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate						119.10%	119.10%
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term (Year)						3 years	3 years
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Discount for Postvesting Restrictions						1.24%	1.24%
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate						0.00%	0.00%
Share-Based Payment Arrangement, Expense						$ 22,951	$ 29,441
Rolling Stock Option Plan [Member] | Employee Stock Option, Expiration Date of August 1, 2024 [Member] | Vesting Every Six Months [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Exercise Price (in CAD per share) | $ / shares							$ 0.78
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage						20.00%	20.00%
Rolling Stock Option Plan [Member] | Employee Stock Option, Expiration Date of January 29, 2024 [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)	500,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number (in shares)	500,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price (in CAD per share) | $ / shares	$ 1.20
Share-based Compensation Arrangement by Share-based Payment Award, Options, Fair Value | $	$ 424,300
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate	125.00%
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term (Year)	3 years
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Discount for Postvesting Restrictions	0.14%
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate	0.00%
Share-Based Payment Arrangement, Expense						$ 75,447	$ 96,546	186,627	$ 230,604
Rolling Stock Option Plan [Member] | Employee Stock Option, Expiration Date of January 29, 2024 [Member] | Vesting Every Six Months [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Exercise Price (in CAD per share) | $ / shares	$ 1.18
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage	20.00%
Rolling Stock Option Plan [Member] | Employee Stock Option, Expiration Date of June10, 2024 [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)										375,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number (in shares)										375,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price (in CAD per share) | $ / shares										$ 0.80
Share-based Compensation Arrangement by Share-based Payment Award, Options, Fair Value | $										$ 211,700
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate										120.80%
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term (Year)										3 years
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Discount for Postvesting Restrictions										0.25%
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate										0.00%
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Exercise Price (in CAD per share) | $ / shares										$ 0.80
Share-Based Payment Arrangement, Expense						53,339	68,263	48,592	59,248
Rolling Stock Option Plan [Member] | Share-Based Payment Arrangement, Option [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term (Year)			3 years
Rolling Stock Option Plan [Member] | Share-Based Payment Arrangement, Option [Member] | Vesting Every Six Months [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage										20.00%
Rolling Stock Option Plan [Member] | Employee Stock Option, Expiration Date of October 14, 2024 [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)										590,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number (in shares)										590,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price (in CAD per share) | $ / shares										$ 0.60
Share-based Compensation Arrangement by Share-based Payment Award, Options, Fair Value | $										$ 219,100
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate										119.89%
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term (Year)										3 years
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Discount for Postvesting Restrictions										0.63%
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate										0.00%
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Exercise Price (in CAD per share) | $ / shares										$ 0.54
Share-Based Payment Arrangement, Expense						85,319	109,175	0
Rolling Stock Option Plan [Member] | Employee Stock Option, Expiration Date of October 14, 2024 [Member] | Vesting Every Six Months [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage										20.00%
Rolling Stock Option Plan [Member] | Employee Stock Option, Expiration Date of July 21, 2023 [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)			3,600,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number (in shares)			3,600,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price (in CAD per share) | $ / shares			$ 0.35
Share-based Compensation Arrangement by Share-based Payment Award, Options, Fair Value | $			$ 909,900
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate			125.00%
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Discount for Postvesting Restrictions			0.27%
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate			0.00%
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Exercise Price (in CAD per share) | $ / shares			$ 0.35
Share-Based Payment Arrangement, Expense						87,346	111,672	267,221	334,385
Rolling Stock Option Plan [Member] | Employee Stock Option, Expiration Date of July 21, 2023 [Member] | Share-Based Payment Arrangement, Tranche One [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage			20.00%
Rolling Stock Option Plan [Member] | Employee Stock Option, Expiration Date of December 21, 2023 [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)		250,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number (in shares)		250,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price (in CAD per share) | $ / shares		$ 0.45
Share-based Compensation Arrangement by Share-based Payment Award, Options, Fair Value | $		$ 75,800
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate		125.00%
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term (Year)		3 years
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Discount for Postvesting Restrictions		0.02%
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate		0.00%
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Exercise Price (in CAD per share) | $ / shares		$ 0.425
Share-Based Payment Arrangement, Expense						$ 11,705	$ 14,974	$ 34,579	$ 43,439
Rolling Stock Option Plan [Member] | Employee Stock Option, Expiration Date of December 21, 2023 [Member] | Share-Based Payment Arrangement, Tranche One [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage		20.00%