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Consolidated Balance Sheets (Parentheticals) - USD ($)
Dec. 31, 2024
Dec. 31, 2023
Accounts Receivable, Allowance for Credit Loss, Current $ 0 $ 34,000
Preferred Stock, Par or Stated Value Per Share (in dollars per share) $ 0.001 $ 0.001
Preferred Stock, Shares Authorized (in shares) 25,000,000 25,000,000
Preferred Stock, Shares Issued (in shares) 0 0
Preferred Stock, Shares Outstanding (in shares) 0 0
Common Stock, Par or Stated Value Per Share (in dollars per share) $ 0.001 $ 0.001
Common Stock, Shares Authorized (in shares) 50,000,000 100,000,000
Common Stock, Shares, Outstanding, Ending Balance (in shares) 4,600,910  
Common Stock, Shares, Issued (in shares)   1,577,769