Condensed Consolidated Statements of Shareholders' Deficit (Unaudited) - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Treasury Stock [Member]	Total Santa Fe Shareholders' Deficit [Member]	Noncontrolling Interest [Member]	Total
Balance at Jun. 30, 2018	$ 134,000	$ 8,808,000	$ (57,442,000)	$ (951,000)	$ (49,451,000)	$ (24,606,000)	$ (74,057,000)
Balance, shares at Jun. 30, 2018	1,339,638
Net income			566,000		566,000	501,000	1,067,000
Balance at Sep. 30, 2018	$ 134,000	8,808,000	(56,876,000)	(951,000)	(48,885,000)	(24,105,000)	(72,990,000)
Balance, shares at Sep. 30, 2018	1,339,638
Balance at Jun. 30, 2019	$ 134,000	8,808,000	(54,183,000)	(951,000)	(46,192,000)	(23,751,000)	(69,943,000)
Balance, shares at Jun. 30, 2019	1,339,638
Net income			361,000		361,000	350,000	711,000
Balance at Sep. 30, 2019	$ 134,000	$ 8,808,000	$ (53,822,000)	$ (951,000)	$ (45,831,000)	$ (23,401,000)	$ (69,232,000)
Balance, shares at Sep. 30, 2019	1,339,638