Note 6 - Acquisitions (Details Textual) - USD ($)			1 Months Ended	3 Months Ended		9 Months Ended		12 Months Ended
	Dec. 10, 2021	Apr. 07, 2021	Jun. 30, 2022	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Interest Expense, Total				$ 20,437	$ 15,055	$ 59,574	$ 31,738
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability						(930,000)	$ 0
Tellenger, Inc. [Member]
Business Combination, Consideration Transferred, Total		$ 2,515,357
Payments to Acquire Businesses, Gross		$ 2,315,357
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares)		68,264
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable		$ 200,000
Gray Matters [Member]
Business Combination, Consideration Transferred, Total	$ 11,005,100
Payments to Acquire Businesses, Gross	$ 7,240,100
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares)	436,481
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable	$ 1,500,000
Business Combination, Consideration Transferred, Liabilities Incurred						1,394,467		$ 1,335,000
Business Combination, Deferred Cash Payment After Closing Date	1,500,000
Business Acquisition, Intangibles, Expected Tax Deductible Amount	0
Gray Matters [Member] | Deferred Consideration of Cash Payment [Member]
Business Combination, Consideration Transferred, Liabilities Incurred	$ 1,335,000
Business Combination, Contingent Consideration, Discount Rate	6.00%
Interest Expense, Total						$ 59,467
Gray Matters [Member] | Contingent Consideration by Performance Metrics [Member]
Business Combination, Consideration Transferred, Liabilities Incurred	$ 930,000
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Minimum	0
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Maximum	4,000,000
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Low	500,000
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High	1,500,000
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Most Likely Amount	$ 1,000,000
Business Combination, Contingent Consideration, Liability, Total			$ 0
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability			$ (9)