Segment and Enterprise-wide Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014 segment	Mar. 31, 2013
Segment Reporting Information [Line Items]
Number of reportable segments	2
Net sales	$ 71,903	$ 59,214
Contribution	13,926	10,113
Reconciliation of consolidated contribution to income (loss) from continuing operations:
Operating expenses	(29,480)	(24,700)
Income tax expense	(3,193)	(353)
Income from continuing operations	5,748	5,524
One Customer [Member] | Customer Concentration Risk [Member] | Sales [Member]
Reconciliation of consolidated contribution to income (loss) from continuing operations:
Percentage of Net Sales	10.00%
Direct
Segment Reporting Information [Line Items]
Net sales	50,735	42,635
Contribution	10,352	6,708
Retail
Segment Reporting Information [Line Items]
Net sales	20,103	15,134
Contribution	2,509	1,960
Unallocated royalty income
Segment Reporting Information [Line Items]
Net sales	1,065	1,445
Contribution	1,065	1,445
Reconciliation of consolidated contribution to income (loss) from continuing operations:
Operating expenses	(4,925)	(4,120)
Other expense, net	(60)	(116)
Income tax expense	(3,193)	(353)
Income from continuing operations	$ 5,748	$ 5,524