Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2017	Sep. 30, 2017
Current Assets:
Cash and cash equivalents	$ 21,596	$ 16,534
Restricted cash	350
Available-for-sale securities	24,756	31,802
Accounts receivable, net of allowance for doubtful accounts of $204 and $230 as of December 31, 2017 and September 30, 2017, respectively	6,695	7,211
Inventories	3,871	3,516
Income tax receivable	240	599
Prepaids and other	2,488	1,221
Total Current Assets	59,996	60,883
Property and equipment, net	23,624	22,942
Deferred tax assets	2,313	4,027
Intangible assets, net	20,076	20,562
Goodwill	27,505	27,282
Other assets	1,039	897
Total Assets	134,553	136,593
Current Liabilities:
Accounts payable	2,309	2,396
Accrued liabilities:
Compensation	1,683	3,822
Accrued other	1,790	1,835
Contingent consideration, current portion	13,752	1,750
Total Current Liabilities	19,534	9,803
Contingent consideration, less current portion	2,410	13,114
Other long-term liabilities	2,062	2,119
Total Liabilities	24,006	25,036
Commitments and Contingencies (Note 14)
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; 13,195,616 and 13,094,988 shares issued and outstanding as of December 31, 2017 and September 30, 2017, respectively	660	655
Additional paid-in capital	5,337	5,413
Accumulated other comprehensive income	4,034	3,417
Retained earnings	100,516	102,072
Total Stockholders’ Equity	110,547	111,557
Total Liabilities and Stockholders’ Equity	$ 134,553	$ 136,593

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.