TIMBERLINE RESOURCES CORPORATION AND SUBSIDIARIES CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (UNAUDITED) - USD ($)	3 Months Ended		6 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
OPERATING EXPENSES:
Mineral exploration	$ 21,094	$ 36,392	$ 47,268	$ 82,120
Abandonment of mineral rights	3,231,700		3,231,700
Salaries and benefits	231,266	109,400	314,520	185,934
Professional fees	28,025	46,425	100,571	138,240
Insurance expense	24,057	23,517	47,236	43,643
Gain on disposal of equipment				(2,500)
Other general and administrative	155,588	328,032	288,092	401,118
TOTAL OPERATING EXPENSES	3,691,730	543,766	4,029,387	848,555
LOSS FROM OPERATIONS	(3,691,730)	(543,766)	(4,029,387)	(848,555)
OTHER INCOME (EXPENSE):
Foreign exchange gain (loss)	(122)	123	(89)	(798)
Interest expense	(3,943)		(10,114)
Gain on sale of available-for-sale securities		23,826		23,826
Miscellaneous other income		2	14,633	5
TOTAL OTHER INCOME (EXPENSE)	(4,065)	23,951	4,430	23,033
LOSS BEFORE INCOME TAXES	(3,695,795)	(519,815)	(4,024,957)	(825,522)
INCOME TAX PROVISION (BENEFIT)		11,632		32,632
NET LOSS	(3,695,795)	(531,447)	(4,024,957)	(858,154)
OTHER COMPREHENSIVE INCOME (LOSS):
Unrealized gain (loss) on available-for-sale equity securities, net of tax				(39,000)
Reclassification of (gain) on available-for-sale securities sold		(21,601)		(21,601)
TOTAL OTHER COMPREHENSIVE INCOME (LOSS)		(21,601)		(60,601)
COMPREHENSIVE LOSS	$ (3,695,795)	$ (553,048)	$ (4,024,957)	$ (918,755)
NET LOSS PER SHARE AVAILABLE TO COMMON STOCKHOLDERS, BASIC AND DILUTED	$ (0.10)	$ (0.02)	$ (0.11)	$ (0.04)
WEIGHTED AVERAGE NUMBER OF COMMON SHARES OUTSTANDING, BASIC AND DILUTED	36,027,819	25,244,952	35,296,269	24,669,699