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Timberline Resources Corp and Subsidiaries Consolidated Balance Sheets (Unaudited) - Parenthetical - $ / shares
Jun. 30, 2021
Sep. 30, 2020
Details    
Preferred Stock, Par or Stated Value Per Share $ 0.01 $ 0.01
Preferred Stock, Shares Authorized 10,000,000 10,000,000
Preferred Stock, Shares Issued 0 0
Preferred Stock, Shares Outstanding 0 0
Common Stock, Par or Stated Value Per Share $ 0.001 $ 0.001
Common Stock, Shares Authorized 500,000,000 500,000,000
Common Stock, Shares, Issued 125,429,390 112,075,224
Common Stock, Shares, Outstanding 125,429,390 112,075,224