TIMBERLINE RESOURCES CORPORATION AND SUBSIDIARIES CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($)	6 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (4,024,957)	$ (858,154)
Adjustments to reconcile net loss to net cash used by operating activities:
Deferred income tax provision		32,632
Gain on disposal of equipment		(2,500)
Stock-based compensation	207,000	15,000
Abandonment of mineral properties	3,231,700
Accretion of asset retirement obligation	3,778	3,598
Gain on sale of available-for-sale securities		(23,826)
Changes in operating assets and liabilities:
Prepaid expenses and other current assets	(184,072)	(11,824)
Accounts receivable	2,633	(2,633)
Accounts payable	(1,927)	2,017
Accrued expenses	(1,070)	(48,150)
Accrued payroll, benefits and taxes	(15,461)	9,634
Net cash used by operating activities	(782,376)	(884,206)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property, mineral rights and equipment	(53,500)	(1,051,000)
Proceeds from disposal of equipment		2,500
Proceeds from sale of available-for-sale securities		77,856
Refund of reclamation and road use bonds		379,175
Net cash (used) by investing activities	(53,500)	(591,469)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of units, net	821,767	1,538,750
Proceeds from subscriptions agreements		100,000
Payment obligation	(37,727)
Net cash provided by financing activities	784,040	1,638,750
Net increase (decrease) in cash and cash equivalents	(51,836)	163,075
CASH AT BEGINNING OF PERIOD	67,154	82,275
CASH AT END OF PERIOD	$ 15,318	245,350
NON-CASH FINANCING AND INVESTING ACTIVITIES:
Common stock payable for mineral rights		$ 480,000