Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Dec. 31, 2018	Sep. 30, 2018
Current assets:
Cash and cash equivalents	$ 72,222	$ 58,014	[1]
Marketable securities	4,247	4,736	[1]
Accounts receivable, net	46,371	49,819	[1]
Inventories	47,036	41,644	[1]
Other	3,814	2,613	[1]
Assets held for sale	0	5,220	[1]
Total current assets	173,690	162,046	[1]
Property, equipment and improvements, net	11,827	8,354	[1]
Identifiable intangible assets, net	36,772	39,320	[1]
Goodwill	153,578	154,535	[1]
Deferred tax assets	5,503	6,600	[1]
Other	357	1,291	[1]
Total assets	381,727	372,146	[1]
Current liabilities:
Accounts payable	16,021	12,911	[1]
Accrued compensation	6,672	8,190	[1]
Unearned revenue	7,812	3,177	[1]
Contingent consideration on acquired businesses	5,944	5,890	[1]
Other	4,322	5,405	[1]
Total current liabilities	40,771	35,573	[1]
Income taxes payable	785	851	[1]
Deferred tax liabilities	566	334	[1]
Contingent consideration on acquired businesses	4,203	4,175	[1]
Other non-current liabilities	392	720	[1]
Total liabilities	46,717	41,653	[1]
Contingencies (see Note 14)
Stockholders' equity:
Preferred stock, $.01 par value; 2,000,000 shares authorized; none issued and outstanding	0	0	[1]
Common stock, $.01 par value; 60,000,000 shares authorized; 34,076,394 and 33,812,838 shares issued	341	338	[1]
Additional paid-in capital	258,010	255,936	[1]
Retained earnings	156,643	151,961	[1]
Accumulated other comprehensive loss	(25,092)	(23,526)	[1]
Treasury stock, at cost, 6,435,618 and 6,385,336 shares	(54,892)	(54,216)	[1]
Total stockholders' equity	335,010	330,493	[1]
Total liabilities and stockholders' equity	$ 381,727	$ 372,146	[1]

[1] Prior period information has been restated for the adoption of ASU No. 2014-09, “Revenue from Contracts with Customers (Topic 606),” which we adopted on October 1, 2018.