Restatement - Restatement of prior year income (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014	Sep. 30, 2014
Total Revenues	$ 8,948	$ 8,007	$ 17,250	$ 15,236
Cost of operations:
Depreciation, depletion and amortization	1,878	1,693	3,761	3,299
Operating expenses	1,755	1,487	2,669	2,395
Property taxes	1,234	879	2,329	1,719
Management company indirect	442	403	794	784
Corporate expenses	1,480	1,723	3,193	3,041
Total cost of operations	6,789	6,185	12,746	11,238
Total operating profit	2,159	1,822	4,504	3,998
Interest income	0	0	0	1
Interest expense	(620)	(310)	(1,065)	(599)
Equity in loss of joint ventures	(150)	(31)	(180)	(63)	$ (128)
(Loss) Gain on investment land sold	(3)	22	(20)	78
Income from continuing operations before income taxes	1,386	1,503	3,239	3,415
Provision for income taxes	541	586	1,263	1,332
Income from continuing operations	845	917	1,976	2,083
Gain from discontinued transportation operations, net of taxes	516	787	2,179	1,961
Net income	$ 1,361	$ 1,704	$ 4,155	$ 4,044
Basic earnings per common share
Income from continuing operations	$ 0.09	$ 0.10	$ 0.20	$ 0.22
Discontinued operations	0.05	0.08	0.23	0.20
Net income	0.14	0.18	0.43	0.42
Diluted earnings per common share
Income from continuing operations	0.09	0.10	0.20	0.22
Discontinued operations	0.05	0.08	0.22	0.20
Net income	$ 0.14	$ 0.18	$ 0.42	$ 0.42
Restatement Adjustment [Member]
Total Revenues		$ 8,007		$ 15,236
Cost of operations:
Depreciation, depletion and amortization		1,693		3,299
Operating expenses		1,487		2,395
Property taxes		879		1,719
Management company indirect		403		784
Corporate expenses		1,723		3,041
Total cost of operations		6,185		11,238
Total operating profit		$ 1,822		3,998
Interest income				1
Interest expense		$ (310)		(599)
Equity in loss of joint ventures		(31)		(63)
(Loss) Gain on investment land sold		22		78
Income from continuing operations before income taxes		1,503		3,415
Provision for income taxes		586		1,332
Income from continuing operations		917		2,083
Gain from discontinued transportation operations, net of taxes		787		1,961
Net income		$ 1,704		$ 4,044
Basic earnings per common share
Income from continuing operations		$ 0.10		$ 0.22
Discontinued operations		0.08		0.20
Net income		0.18		0.42
Diluted earnings per common share
Income from continuing operations		0.10		0.22
Discontinued operations		0.08		0.20
Net income		$ 0.18		$ 0.42
Previously Reported [Member]
Total Revenues		$ 8,007		$ 15,236
Cost of operations:
Depreciation, depletion and amortization		1,693		3,299
Operating expenses		1,487		2,395
Property taxes		879		1,719
Management company indirect		403		784
Corporate expenses		1,076		2,394
Total cost of operations		5,538		10,591
Total operating profit		$ 2,469		4,645
Interest income				1
Interest expense		$ (310)		(599)
Equity in loss of joint ventures		(31)		(63)
(Loss) Gain on investment land sold		22		78
Income from continuing operations before income taxes		2,150		4,062
Provision for income taxes		838		1,584
Income from continuing operations		1,312		2,478
Gain from discontinued transportation operations, net of taxes		392		1,566
Net income		$ 1,704		$ 4,044
Basic earnings per common share
Income from continuing operations		$ 0.14		$ 0.26
Discontinued operations		0.04		0.16
Net income		0.18		0.42
Diluted earnings per common share
Income from continuing operations		0.14		0.26
Discontinued operations		0.04		0.16
Net income		$ 0.18		$ 0.42