Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
REVENUES:
Net sales	$ 85,891	$ 77,329	$ 250,876	$ 228,997
Other	125	128	405	367
TOTAL REVENUE	86,016	77,457	251,281	229,364
COST OF GOODS SOLD	39,751	39,310	118,741	117,648
Gross profit	46,265	38,147	132,540	111,716
OPERATING EXPENSES:
Selling, general and administrative	20,206	21,843	60,698	68,640
Research and development	4,227	5,055	11,657	13,252
Restructuring and strategic transaction	3,411	2,840	3,411	2,840
Gain on sale of building	1,086	0	1,086	0
Legal settlements	(5,261)	0	1,798	0
Total operating expenses	21,497	29,738	76,478	84,732
Income from operations	24,768	8,409	56,062	26,984
OTHER INCOME	230	155	996	572
Income before income taxes	24,998	8,564	57,058	27,556
PROVISION FOR INCOME TAXES	(8,732)	(2,136)	(17,536)	(8,593)
NET INCOME	$ 16,266	$ 6,428	$ 39,522	$ 18,963
NET INCOME PER SHARE
Basic (in dollars per share)	$ 1.02	$ 0.42	$ 2.50	$ 1.25
Diluted (in dollars per share)	$ 0.98	$ 0.42	$ 2.41	$ 1.22
WEIGHTED AVERAGE NUMBER OF SHARES
Basic (in shares)	15,894	15,319	15,790	15,220
Diluted (in shares)	16,575	15,488	16,409	15,497