Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	9 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Operating Activities
Net income	$ 159	$ 574
Adjustments to reconcile net income to net cash provided by operating activities of continuing operations
Depreciation and amortization	5,397	5,950
Gain on sales of investments	(380)	(300)
Amortization of premium on investments	72	101
Stock-based compensation	3,239	4,192
Goodwill impairment charge	5,650
Asset impairment charges		2,265
Impairment loss on investments		2,577
Deferred taxes	(871)	990
Tax benefits from exercise of stock options	41	(72)
Other	134	3
Change in operating assets and liabilities:
Accounts receivable	(179)	568
Inventories	(688)	(176)
Accounts payable and accrued liabilities	(565)	531
Income taxes	1,876	(2,796)
Deferred revenue	872	2,881
Prepaids and other	263	(575)
Net cash provided by operating activities	15,020	16,713
Investing Activities
Purchases of property and equipment	(3,279)	(7,196)
Purchases of available-for-sale investments	(48,309)	(32,834)
Sales/maturities of investments	48,827	23,009
Payments related to prior business acquisitions	(5,650)	(750)
Other investing activities		(500)
Net cash used in investing activities	(8,411)	(18,271)
Financing Activities
Tax benefit from exercise of stock options	(41)	72
Issuance of common stock	487	892
Repurchase of common stock		(2,032)
Purchase of common stock to pay employee taxes	(9)	(393)
Net cash provided by (used in) financing activities	437	(1,461)
Net change in cash and cash equivalents	7,046	(3,019)
Cash and Cash Equivalents
Beginning of period	11,391	11,636
End of period	18,437	8,617
Supplemental Information
Cash paid (received) for income taxes	(398)	3,811
Noncash transaction - acquisition of property, plant, and equipment on account	104	1,096
Noncash transaction - acquisition of intangible assets on account		$ 210