Note 2 - Acquisition of Information Management Solutions, LLC (Details Textual)	Dec. 15, 2020 USD ($) $ / shares shares	Sep. 30, 2021 $ / shares	Dec. 31, 2020 $ / shares
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares	$ 0.001	$ 0.001	$ 0.001
Warrants Issued to Acquire Information Management Solutions, LLC [Member]
Class of Warrant or Right, Issued During Period (in shares) | shares	945,599
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) | shares	945,599
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares	$ 4.23
Determination of Number of Warrants, Numerator	$ 2,000,000
Determination of Number of Warrants, Denominator (in dollars per share) | $ / shares	$ 2.115
Class of Warrant or Right, Number By which the 5-day Weighted Average Closing Price is Multiplied to Determine Exercise Price	2
Class of Warrant or Right, Vesting, Number of Equal Installments	3
Class of Warrant or Right, Term Following Vesting (Year)	5 years
Acquisition of Information Management Solutions, LLC [Member]
Payments to Acquire Businesses, Gross	$ 5,907,408
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable	552,283
Acquisition of Information Management Solutions, LLC [Member] | Warrants [Member]
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable	$ 552,283