CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Revenue - Hotel	$ 13,997,000	$ 13,187,000	$ 29,807,000	$ 27,624,000
Costs and operating expenses
Hotel operating expenses	(11,236,000)	(10,743,000)	(22,046,000)	(21,332,000)
Hotel depreciation and amortization expense	(594,000)	(634,000)	(1,187,000)	(1,283,000)
General and administrative expense	(158,000)	(164,000)	(322,000)	(362,000)
Total costs and operating expenses	(11,988,000)	(11,541,000)	(23,555,000)	(22,977,000)
Income from operations	2,009,000	1,646,000	6,252,000	4,647,000
Other income (expense)
Interest expense - mortgage	(1,796,000)	(1,851,000)	(3,611,000)	(3,706,000)
Interest expense - related party	(91,000)	(129,000)	(181,000)	(261,000)
Net (loss) gain on marketable securities	(260,000)	100,000	(227,000)	6,000
Net loss on marketable securities - Comstock	(13,000)	(697,000)	(226,000)	(907,000)
Impairment loss on other investments	0	(72,000)	0	(72,000)
Dividend and interest income	12,000	5,000	20,000	16,000
Trading and margin interest expense	(41,000)	(46,000)	(95,000)	(98,000)
Total other expense, net	(2,189,000)	(2,690,000)	(4,320,000)	(5,022,000)
Income (loss) before income taxes	(180,000)	(1,044,000)	1,932,000	(375,000)
Income tax benefit (expense)	141,000	(2,902,000)	(489,000)	(3,164,000)
Net income (loss)	(39,000)	(3,946,000)	1,443,000	(3,539,000)
Less: Net (income) loss attributable to the noncontrolling interest	(9,000)	21,000	(170,000)	(52,000)
Net income (loss) attributable to Portsmouth	$ (48,000)	$ (3,925,000)	$ 1,273,000	$ (3,591,000)
Basic and diluted net income (loss) per share attributable to Portsmouth	$ (0.07)	$ (5.35)	$ 1.73	$ (4.89)
Weighted average number of common shares outstanding - basic and diluted	734,183	734,183	734,183	734,183