Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash flows from operating activities:
Net income	$ 6,201	$ 7,529
Adjustments to reconcile net income to net cash provided by operating activities:
Income from discontinued operations, net	(2,179)	(3,692)
Depreciation, depletion and amortization	5,663	5,117
Deferred income taxes	981	835
Equity in loss of joint ventures	255	92
Loss (Gain) on sale of equipment and property	87	(518)
Stock-based compensation	763	1,053
Net changes in operating assets and liabilities:
Accounts receivable	453	1,278
Deferred costs and other assets	458	(265)
Accounts payable and accrued liabilities	(3,443)	(798)
Income taxes payable and receivable	(1,108)	18
Other long-term liabilities	62	202
Net cash provided by operating activities of continuing operations	8,193	10,851
Net cash provided by operating activities of discontinued operations	4,984	8,592
Net cash provided by operating activities	13,177	19,443
Cash flows from investing activities:
Investments in property, plant and equipment	(3,693)	(14,134)
Cash held in escrow	35	1,349
Investment in joint ventures	(469)	(297)
Proceeds from the sale of real estate held for investment, property, plant and equipment	76	1,882
Net cash used in investing activities of continuing operations	(4,051)	(11,200)
Net cash used in investing activities of discontinued operations	(2,694)	(17,555)
Net cash used in investing activities	(6,745)	(28,755)
Cash flows from financing activities:
Repayment of long-term debt	(4,397)	(3,206)
Proceeds from borrowing on revolving credit facility	16,657	735
Payment on revolving credit facility	(18,341)	0
Excess tax benefits from exercises of stock options	175	692
Exercise of employee stock options	831	875
Net cash used in financing activities of continuing operations	(5,075)	(904)
Net cash (used in) provided by financing activities of discontinued operations	(1,631)	10,228
Net cash (used in) provided by financing activities	(6,706)	9,324
Net (decrease) increase in cash and cash equivalents	(274)	12
Cash and cash equivalents at beginning of period	1,013	502
Cash and cash equivalents at end of the period	$ 739	$ 514