Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2019	Sep. 30, 2018
Current assets:
Cash and cash equivalents	$ 69,593	$ 58,014	[1]
Marketable securities	2,497	4,736	[1]
Accounts receivable, net	53,493	49,819	[1]
Inventories	44,035	41,644	[1]
Other current assets	5,549	2,613	[1]
Assets held for sale	0	5,220	[1]
Total current assets	175,167	162,046	[1]
Property, equipment and improvements, net	13,926	8,354	[1]
Intangible assets, net	34,807	39,320	[1]
Goodwill	154,049	154,535	[1]
Deferred tax assets	5,236	6,600	[1]
Other non-current assets	350	1,291	[1]
Total assets	383,535	372,146	[1]
Current liabilities:
Accounts payable	14,628	12,911	[1]
Accrued compensation	6,991	8,190	[1]
Unearned revenue	6,576	3,177	[1]
Contingent consideration on acquired businesses	8,527	5,890	[1]
Other current liabilities	4,369	5,405	[1]
Total current liabilities	41,091	35,573	[1]
Income taxes payable	759	851	[1]
Deferred tax liabilities	317	334	[1]
Contingent consideration on acquired businesses	0	4,175	[1]
Other non-current liabilities	530	720	[1]
Total liabilities	42,697	41,653	[1]
Contingencies (see Note 13)
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; 34,471,378 and 33,812,838 shares issued	345	338	[1]
Additional paid-in capital	262,392	255,936	[1]
Retained earnings	157,985	151,961	[1]
Accumulated other comprehensive loss	(25,168)	(23,526)	[1]
Treasury stock, at cost, 6,412,682 and 6,385,336 shares	(54,716)	(54,216)	[1]
Total stockholders' equity	340,838	330,493	[1]
Total liabilities and stockholders' equity	$ 383,535	$ 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.