Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2019	Sep. 30, 2018
Current Assets:
Cash and cash equivalents	$ 22,470	$ 23,318
Restricted cash		350
Available-for-sale securities	24,023	41,352
Accounts receivable, net of allowance for doubtful accounts of $181 and $147 as of March 31, 2019 and September 30, 2018, respectively	9,312	8,877
Contract assets - royalties and license fees	7,065
Inventories, net	4,345	4,016
Income tax receivable	1,137	1,152
Prepaids and other	3,165	2,462
Total Current Assets	71,517	81,527
Deferred tax assets	5,301	6,304
Property and equipment, net	29,512	30,143
Intangible assets, net	16,020	17,683
Goodwill	26,549	27,032
Other assets	2,081	1,446
Total Assets	150,980	164,135
Current Liabilities:
Accounts payable	3,746	2,546
Accrued liabilities:
Compensation	2,107	5,635
Accrued other	5,097	6,265
Deferred revenue	6,385	9,646
Contingent consideration	3,009	11,041
Total Current Liabilities	20,344	35,133
Contingent consideration, less current portion		3,425
Deferred revenue, less current portion	10,470	11,247
Other long-term liabilities	4,853	5,720
Total Liabilities	35,667	55,525
Commitments and Contingencies (Note 15)
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; 13,488,738 and 13,397,647 shares issued and outstanding as of March 31, 2019 and September 30, 2018, respectively	674	670
Additional paid-in capital	7,510	7,607
Accumulated other comprehensive income	1,444	2,718
Retained earnings	105,685	97,615
Total Stockholders’ Equity	115,313	108,610
Total Liabilities and Stockholders’ Equity	$ 150,980	$ 164,135