Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014
Current Assets:
Cash and cash equivalents	$ 55,588	$ 43,511
Available-for-sale securities		3,040
Accounts receivable, net of allowance for doubtful accounts of $10 and $42 as of September 30, 2015 and 2014, respectively	7,478	4,751
Inventories	2,979	2,817
Deferred tax assets	546	394
Prepaids and other	1,198	751
Current assets of discontinued operations		16
Total Current Assets	67,789	55,280
Property and equipment, net	12,968	13,133
Available-for-sale securities		16,823
Deferred tax assets	6,704	6,718
Intangible assets, net	2,760	2,946
Goodwill	8,010	8,010
Other assets, net	479	1,979
Total Assets	98,710	104,889
Current Liabilities:
Accounts payable	781	1,028
Accrued liabilities:
Compensation	2,772	2,061
Accrued other	1,099	881
Deferred revenue	48	52
Current liabilities of discontinued operations		45
Total Current Liabilities	4,700	4,067
Deferred revenue, less current portion	217	226
Other long-term liabilities	1,920	1,845
Total Liabilities	$ 6,837	$ 6,138
Commitments and Contingencies (Note 12)
Stockholders’ Equity:
Series A preferred stock — $.05 par value, 450,000 shares authorized; no shares issued and outstanding
Common stock — $.05 par value, 45,000,000 shares authorized; 12,945,157 and 13,606,545 shares issued and outstanding, respectively	$ 647	$ 680
Additional paid-in capital	3,060	2,662
Accumulated other comprehensive income	5	1,528
Retained earnings	88,161	93,881
Total Stockholders’ Equity	91,873	98,751
Total Liabilities and Stockholders’ Equity	$ 98,710	$ 104,889