Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2018	Sep. 30, 2017
Current Assets:
Cash and cash equivalents	$ 23,318	$ 16,534
Restricted cash	350
Available-for-sale securities	41,352	31,802
Accounts receivable, net of allowance for doubtful accounts of $147 and $230 as of September 30, 2018 and 2017, respectively	8,877	7,211
Inventories	4,016	3,516
Income tax receivable	1,152	599
Prepaids and other	2,462	1,221
Total Current Assets	81,527	60,883
Property and equipment, net	30,143	22,942
Deferred income taxes	6,304	4,027
Intangible assets, net	17,683	20,562
Goodwill	27,032	27,282
Other assets	1,446	897
Total Assets	164,135	136,593
Current Liabilities:
Accounts payable	2,546	2,396
Accrued liabilities:
Compensation	5,635	3,822
Accrued other	6,265	1,773
Deferred revenue	9,646	62
Contingent consideration	11,041	1,750
Total Current Liabilities	35,133	9,803
Contingent consideration, less current portion	3,425	13,114
Deferred revenue, less current portion	11,247	181
Other long-term liabilities	5,720	1,938
Total Liabilities	55,525	25,036
Commitments and Contingencies (Note 11)
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; 13,397,647 and 13,094,988 shares issued and outstanding, as of September 30, 2018 and 2017, respectively	670	655
Additional paid-in capital	7,607	5,413
Accumulated other comprehensive income	2,718	3,417
Retained earnings	97,615	102,072
Total Stockholders’ Equity	108,610	111,557
Total Liabilities and Stockholders’ Equity	$ 164,135	$ 136,593