Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($)	May 31, 2024	Aug. 31, 2023
Accounts Receivable, Allowance for Credit Loss, Current	$ 533,000	$ 533,000
Preferred Stock, No Par Value (in dollars per share)	$ 0	$ 0
Preferred Stock, Shares Authorized (in shares)	10,000	10,000
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)	$ 0.02	$ 0.02
Common Stock, Shares Authorized (in shares)	15,000,000	15,000,000
Common Stock, Shares, Outstanding (in shares)	9,441,124	9,424,102
Common Stock, Shares, Issued (in shares)		9,424,102