Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Dec. 31, 2020	Sep. 30, 2020
Current assets:
Cash and cash equivalents	$ 49,263	$ 54,129
Accounts receivable, net	52,500	59,227
Inventories	54,757	51,568
Other current assets	10,742	5,134
Total current assets	167,262	170,058
Property, equipment and improvements, net	13,442	11,507
Operating lease right-of-use assets	16,665	14,334
Intangible assets, net	117,392	121,248
Goodwill	212,366	210,135
Deferred tax assets	566	389
Other non-current assets	1,095	1,011
Assets	528,788	528,682
Current liabilities:
Current portion of long-term debt	1,972	1,972
Accounts payable	22,472	28,067
Accrued compensation	10,317	9,372
Unearned revenue	11,979	7,691
Contingent consideration on acquired business	10,000	4,228
Current portion of operating lease liabilities	2,776	2,527
Other current liabilities	7,971	7,373
Total current liabilities	67,487	61,230
Income taxes payable	1,895	1,958
Deferred tax liabilities	17,823	17,171
Long-term debt	43,483	58,980
Operating lease liability	19,371	16,193
Other non-current liabilities	1,087	1,650
Total liabilities	151,146	157,182
Contingencies (see Note 14)
Stockholders' equity:
Preferred stock, $.01 par value; 2,000,000 shares authorized; none issued and outstanding	0	0
Common stock, $.01 par value; 60,000,000 shares authorized; 36,090,681 and 35,512,843 shares issued	361	355
Additional paid-in capital	285,536	279,741
Retained earnings	170,023	170,330
Accumulated other comprehensive loss	(21,945)	(23,817)
Treasury stock, at cost, 6,411,776 and 6,353,094 shares	(56,333)	(55,109)
Total stockholders' equity	377,642	371,500
Total liabilities and stockholders' equity	$ 528,788	$ 528,682