Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Cash flows from operating activities:
Net income	$ 4,155	$ 4,044
Adjustments to reconcile net income to net cash provided by operating activities:
Income from discontinued operations, net	(2,179)	(1,961)
Depreciation, depletion and amortization	3,851	3,384
Deferred income taxes	1,583	372
Equity in loss of joint ventures	180	63
Loss (Gain) on sale of equipment and property	120	(74)
Stock-based compensation	754	960
Net changes in operating assets and liabilities:
Accounts receivable	146	1,516
Deferred costs and other assets	(180)	(102)
Accounts payable and accrued liabilities	(2,828)	(2,139)
Income taxes payable and receivable	(2,348)	(1,379)
Other long-term liabilities	33	50
Net cash provided by operating activities of continuing operations	3,287	4,734
Net cash provided by operating activities of discontinued operations	4,984	4,050
Net cash provided by operating activities	8,271	8,784
Cash flows from investing activities:
Investments in property, plant and equipment	(2,429)	(4,797)
Cash held in escrow	35	1,349
Investment in joint ventures	(311)	(210)
Proceeds from the sale of real estate held for investment, property, plant and equipment	0	78
Net cash used in investing activities of continuing operations	(2,705)	(3,580)
Net cash used in investing activities of discontinued operations	(2,694)	(15,346)
Net cash used in investing activities	(5,399)	(18,926)
Cash flows from financing activities:
Repayment of long-term debt	(3,409)	(2,120)
Proceeds from borrowing on revolving credit facility	15,123	0
Payment on revolving credit facility	(14,182)	0
Excess tax benefits from exercises of stock options	730	539
Exercise of employee stock options	175	669
Net cash used in financing activities of continuing operations	(1,563)	(912)
Net cash (used in) provided by financing activities of discontinued operations	(1,631)	11,684
Net cash (used in) provided by financing activities	(3,194)	10,772
Net (decrease) increase in cash and cash equivalents	(322)	630
Cash and cash equivalents at beginning of period	1,013	502
Cash and cash equivalents at end of the period	$ 691	$ 1,132