Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013
Current Assets:
Cash and cash equivalents	$ 43,511	$ 15,495
Available-for-sale securities	3,040	10,212
Accounts receivable, net of allowance for doubtful accounts of $42 and $26 as of September 30, 2014 and 2013, respectively	4,751	5,332
Inventories	2,817	3,328
Deferred tax assets	394	506
Prepaids and other	751	860
Current assets of discontinued operations	16	46
Total Current Assets	55,280	35,779
Property and equipment, net	13,133	12,845
Available-for-sale securities	16,823	32,397
Deferred tax assets	6,718	6,038
Intangible assets, net	2,946	3,688
Goodwill	8,010	8,010
Other assets, net	1,979	3,166
Total Assets	104,889	101,923
Current Liabilities:
Accounts payable	1,028	954
Accrued liabilities:
Compensation	2,061	2,271
Accrued other	881	1,149
Share repurchase accrual		1,004
Deferred revenue	52	43
Restructuring and other current liabilities		416
Current liabilities of discontinued operations	45	139
Total Current Liabilities	4,067	5,976
Deferred revenue, less current portion	226	160
Other long-term liabilities	1,845	1,970
Total Liabilities	6,138	8,106
Commitments and Contingencies (Note 12)
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; 13,606,545 and 13,891,402 shares issued and outstanding, respectively	680	695
Additional paid-in capital	2,662	2,028
Accumulated other comprehensive income	1,528	58
Retained earnings	93,881	91,036
Total Stockholders' Equity	98,751	93,817
Total Liabilities and Stockholders' Equity	$ 104,889	$ 101,923