Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2020	Sep. 30, 2019
Current Assets:
Cash and cash equivalents	$ 15,208	$ 30,361
Available-for-sale securities	33,190	24,931
Accounts receivable, net of allowance for doubtful accounts of $240 and $200 as of March 31, 2020 and September 30, 2019, respectively	8,886	8,993
Contract assets — royalties and license fees	6,282	8,210
Inventories, net	5,740	4,501
Income tax receivable	4,257	558
Prepaids and other	3,738	3,866
Total Current Assets	77,301	81,420
Property and equipment, net	29,785	29,748
Deferred income taxes	4,788	6,176
Intangible assets, net	13,037	14,226
Goodwill	26,276	26,171
Other assets	4,360	2,124
Total Assets	155,547	159,865
Current Liabilities:
Accounts payable	1,658	2,085
Accrued liabilities:
Compensation	2,300	4,581
Accrued other	4,645	4,790
Deferred revenue	4,675	5,553
Contingent consideration		3,200
Total Current Liabilities	13,278	20,209
Deferred revenue, less current portion	9,861	11,628
Other long-term liabilities	7,442	5,512
Total Liabilities	30,581	37,349
Commitments and Contingencies (Note 16)
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; 13,609,495 and 13,504,102 shares issued and outstanding as of March 31, 2020 and September 30, 2019, respectively	680	675
Additional paid-in capital	11,481	10,740
Accumulated other comprehensive income	490	396
Retained earnings	112,315	110,705
Total Stockholders’ Equity	124,966	122,516
Total Liabilities and Stockholders’ Equity	$ 155,547	$ 159,865