Note 9 - Stockholders' Equity (Details Textual) - $ / shares	Dec. 31, 2022	Dec. 31, 2021
Common Stock, Shares Authorized (in shares)	17,800,000
Preferred Stock, Shares Authorized (in shares)	2,000,000	30,000,000
Preferred Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.0001	$ 0.0001
Preferred Stock, Shares Issued (in shares)	0	0
Common Class A [Member]
Common Stock, Shares Authorized (in shares)	14,000,000	10,000,000
Common Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.0001	$ 0.0001
Common Stock, Shares, Issued (in shares)	5,452,383	2,400,000
Common Stock, Voting Rights Per Share (in dollars per share)	$ 1
Common Class B [Member]
Common Stock, Shares Authorized (in shares)	1,800,000
Common Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.0001
Common Stock, Shares, Issued (in shares)	1,800,000
Common Stock, Voting Rights Per Share (in dollars per share)	$ 1