CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net sales	$ 55,959	$ 53,044
Cost of sales	27,851	27,189
Gross profit	28,108	25,855
Operating expenses:
Selling, general and administrative	20,342	19,554
Amortization of intangible assets	981	732
Income from operations	6,785	5,569
Interest and other expense, net	274	297
Income before provision for income taxes	6,511	5,272
Provision for income taxes	2,270	1,921
Net income	4,241	3,351
Other comprehensive loss:
Foreign currency translation adjustment, net of tax	(79)	(221)
Comprehensive income	$ 4,162	$ 3,130
Net income per common share:
Basic (in dollars per share)	$ 0.45	$ 0.35
Diluted (in dollars per share)	$ 0.45	$ 0.35
Weighted average common shares outstanding:
Basic (in shares)	9,459,470	9,653,113
Dilutive effect of stock options (in shares)		6,894
Diluted (in shares)	9,459,470	9,660,007