CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
CONSOLIDATED STATEMENTS OF OPERATIONS [Abstract]
Net sales	$ 190,081	$ 177,423
Cost of sales	38,350	36,097
Gross profit	151,731	141,326
Operating expenses:
Commissions and incentives	75,240	75,633
Selling and administrative expenses	36,193	33,758
Depreciation and amortization	1,608	2,120
Other operating costs	25,948	25,059
Total operating expenses	138,989	136,570
Income from operations	12,742	4,756
Interest income	121	22
Other expense, net	(3,042)	(1,969)
Income before income taxes	9,821	2,809
Income tax (provision) benefit	(3,325)	365
Net income	$ 6,496	$ 3,174
Earnings per common share:
Basic (in dollars per share)	$ 2.44	$ 1.20
Diluted (in dollars per share)	$ 2.40	$ 1.18
Weighted-average common shares outstanding:
Basic (in shares)	2,663	2,650
Diluted (in shares)	2,706	2,683