Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Sep. 30, 2013
Current Assets:
Cash and cash equivalents	$ 39,729	$ 15,495
Available-for-sale securities	882	10,212
Accounts receivable, net of allowance for doubtful accounts of $53 and $26 as of June 30, 2014 and September 30, 2013, respectively	5,176	5,332
Inventories	2,900	3,328
Deferred tax assets	321	506
Prepaids and other	1,718	860
Current assets of discontinued operations	85	46
Total Current Assets	50,811	35,779
Property and equipment, net	12,710	12,845
Available-for-sale securities	16,497	32,397
Deferred tax assets	6,392	6,038
Intangible assets, net	3,131	3,688
Goodwill	8,010	8,010
Other assets, net	3,166	3,166
Total Assets	100,717	101,923
Current Liabilities:
Accounts payable	1,400	954
Accrued liabilities:
Compensation	1,756	2,271
Accrued other	844	1,149
Share repurchase accrual		1,004
Deferred revenue	41	43
Restructuring and other current liabilities	2	416
Current liabilities of discontinued operations	75	139
Total Current Liabilities	4,118	5,976
Deferred revenue, less current portion	149	160
Other long-term liabilities	1,779	1,970
Total Liabilities	6,046	8,106
Commitments and Contingencies (Note 17)
Stockholders' Equity:
Series A Preferred stock- $.05 par value, 450,000 shares authorized; no shares issued and outstanding	0	0
Common stock- $.05 par value, 45,000,000 shares authorized; 13,594,564 and 13,891,402 shares issued and outstanding, respectively	680	695
Additional paid-in capital	2,419	2,028
Accumulated other comprehensive income	36	58
Retained earnings	91,536	91,036
Total Stockholders' Equity	94,671	93,817
Total Liabilities and Stockholders' Equity	$ 100,717	$ 101,923