Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2019	Sep. 30, 2018
Current Assets:
Cash and cash equivalents	$ 30,361	$ 23,318
Restricted cash		350
Available-for-sale securities	24,931	41,352
Accounts receivable, net of allowance for doubtful accounts of $200 and $147 as of September 30, 2019 and 2018, respectively	8,993	8,877
Contract assets - royalties and license fees	8,210
Inventories	4,501	4,016
Income tax receivable	558	1,152
Prepaids and other	3,866	2,462
Total Current Assets	81,420	81,527
Property and equipment, net	29,748	30,143
Deferred income taxes	6,176	6,304
Intangible assets, net	14,226	17,683
Goodwill	26,171	27,032
Other assets	2,124	1,446
Total Assets	159,865	164,135
Current Liabilities:
Accounts payable	2,085	2,546
Accrued liabilities:
Compensation	4,581	5,635
Accrued other	4,790	6,265
Deferred revenue	5,553	9,646
Contingent consideration	3,200	11,041
Total Current Liabilities	20,209	35,133
Contingent consideration, less current portion		3,425
Deferred revenue, less current portion	11,628	11,247
Other long-term liabilities	5,512	5,720
Total Liabilities	37,349	55,525
Commitments and Contingencies (Note 10)
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; 13,504,102 and 13,397,647 shares issued and outstanding, as of September 30, 2019 and 2018, respectively	675	670
Additional paid-in capital	10,740	7,607
Accumulated other comprehensive income	396	2,718
Retained earnings	110,705	97,615
Total Stockholders’ Equity	122,516	108,610
Total Liabilities and Stockholders’ Equity	$ 159,865	$ 164,135