Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2020	Sep. 30, 2019
Current Assets:
Cash and cash equivalents	$ 36,386	$ 30,361
Available-for-sale securities	24,178	24,931
Accounts receivable, net of allowance for doubtful accounts of $133 and $200 as of June 30, 2020 and September 30, 2019, respectively	8,657	8,993
Contract assets — royalties and license fees	4,248	8,210
Inventories, net	5,872	4,501
Income tax receivable	4,867	558
Prepaids and other	3,594	3,866
Total Current Assets	87,802	81,420
Property and equipment, net	28,939	29,748
Deferred income taxes	5,585	6,176
Intangible assets, net	12,585	14,226
Goodwill	26,563	26,171
Other assets	5,024	2,124
Total Assets	166,498	159,865
Current Liabilities:
Accounts payable	1,375	2,085
Accrued liabilities:
Compensation	4,320	4,581
Accrued other	4,703	4,790
Deferred revenue	5,229	5,553
Contingent consideration		3,200
Total Current Liabilities	15,627	20,209
Deferred revenue, less current portion	12,423	11,628
Other long-term liabilities	7,865	5,512
Total Liabilities	35,915	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; 13,645,174 and 13,504,102 shares issued and outstanding as of June 30, 2020 and September 30, 2019, respectively	682	675
Additional paid-in capital	13,658	10,740
Accumulated other comprehensive income	1,469	396
Retained earnings	114,774	110,705
Total Stockholders’ Equity	130,583	122,516
Total Liabilities and Stockholders’ Equity	$ 166,498	$ 159,865