Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Operating Activities:
Net income	$ 3,614us-gaap_NetIncomeLoss	$ 3,630us-gaap_NetIncomeLoss
Adjustments to reconcile net income to net cash provided by operating activities from continuing operations:
Depreciation and amortization	683	697
Stock-based compensation	525us-gaap_ShareBasedCompensation	813us-gaap_ShareBasedCompensation
Deferred tax	1,025us-gaap_DeferredIncomeTaxExpenseBenefit	395us-gaap_DeferredIncomeTaxExpenseBenefit
Loss (gain) on sales of available-for-sale securities, net and strategic investment	7us-gaap_GainLossOnSaleOfInvestments	(681)us-gaap_GainLossOnSaleOfInvestments
Excess tax benefit from stock-based compensation plans	(453)	(690)
Other	(39)us-gaap_OtherNoncashIncomeExpense
Change in operating assets and liabilities:
Accounts receivable	309	222
Inventories	(12)us-gaap_IncreaseDecreaseInInventories	496us-gaap_IncreaseDecreaseInInventories
Prepaids and other	(34)	62
Accounts payable and accrued liabilities	(508)	(1,641)
Income taxes	413	947
Net cash provided by operating activities from continuing operations	5,530	4,250
Investing Activities:
Purchases of property and equipment	(41)	(56)
Cash proceeds from sales of property and equipment	41
Purchases of available-for-sale securities	(3,252)	(2,938)
Sales and maturities of available-for-sale securities	973	2,867
Cash transferred to discontinued operations	(45)	(13)
Cash received from sale of a strategic investment		681
Net cash (used in) provided by investing activities from continuing operations	(2,324)	541
Financing Activities:
Excess tax benefit from stock-based compensation plans	453	690
Issuance of common stock	115	61
Repurchase of common stock	(20,000)	(9,424)
Purchase of common stock to pay employee taxes	(725)	(1,097)
Net cash used in financing activities from continuing operations	(20,157)	(9,770)
Net cash used in continuing operations	(16,951)	(4,979)
Discontinued Operations:
Net cash used in operating activities	(45)	(13)
Net cash provided by financing activities	45	13
Net cash provided by discontinued operations	0	0
Net change in cash and cash equivalents	(16,951)	(4,979)
Cash and Cash Equivalents:
Beginning of period	43,511	15,495
End of period	26,560	10,516
Supplemental Information:
Cash paid for income taxes	31us-gaap_IncomeTaxesPaidNet	124us-gaap_IncomeTaxesPaidNet
Noncash transactions - acquisition of property and equipment on account	12	123
Noncash transactions - share repurchase accrual		513
Noncash transactions - issuance of shares associated with long-term incentive plan	$ 2,063	$ 2,756

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Noncash Transactions Issuance Of Shares Associated With Long Term Incentive Plan

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Amount of cash the Company paid to cover employee taxes associated with issuance of performance shares or restricted stock awards.

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The increase (decrease) during the reporting period in the value of prepaid expenses and other assets not separately disclosed in the statement of cash flows, for example, deferred expenses, intangible assets, or income taxes.

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The increase (decrease) in cash associated with the entity's continuing operating, investing, and financing activities. While for technical reasons this element has no balance attribute, the default assumption is a debit balance consistent with its label.

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-Section 45

-Paragraph 26

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3574-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585

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- Definition

The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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