Statements of Cash Flows (Unaudited) (USD $)	9 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (6,190,000)	$ (7,941,000)
Adjustments to reconcile net loss to net cash (used) provided by operating activities:
Depreciation	22,767,000	20,188,000
Noncash compensation	1,422,000	1,153,000
Deferred income tax expense	1,449,000	360,000
Provision for bad debts	213,000	199,000
Other	(631,000)	(234,000)
Change in current assets and liabilities:
Increase in accounts receivable	(27,696,000)	(12,970,000)
Increase in prepaid expenses and other assets	(4,230,000)	(364,000)
Increase in accounts payable	7,847,000	5,687,000
Decrease in accrued liabilities	(247,000)	(2,376,000)
Increase (decrease) in deferred revenue	4,827,000	(2,230,000)
Net cash (used) provided by operating activities	(469,000)	1,472,000
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures, net of noncash capital additions summarized below in noncash investing activities	(55,307,000)	(16,585,000)
Acquisition of short-term investments	(2,500,000)	(9,971,000)
Proceeds from maturity of short-term investments	22,500,000	15,000,000
Proceeds from disposal of assets	623,000	499,000
Partial proceeds on fire insurance claim	758,000
Net cash used in investing activities	(33,926,000)	(11,057,000)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from note payable	16,427,000
Proceeds from exercise of stock options	297,000
Net cash provided by financing activities	16,724,000
Net decrease in cash and cash equivalents	(17,671,000)	(9,585,000)
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	29,675,000	36,792,000
CASH AND CASH EQUIVALENTS AT END OF PERIOD	12,004,000	27,207,000
SUPPLEMENTAL CASH FLOW INFORMATION:
Cash paid during the period for income taxes	508,000	797,000
Cash received during the period for income taxes	202,000	6,000,000
NONCASH INVESTING ACTIVITIES:
Accrued purchases of property and equipment	957,000	305,000
Equipment purchase through asset trade in		2,170,000
Unrealized gain on investments		$ 48,000