CONSOLIDATED STATEMENTS OF OPERATIONS - (UNAUDITED) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
CONSOLIDATED STATEMENTS OF OPERATIONS - (UNAUDITED) [Abstract]
Net sales	$ 40,708	$ 44,370
Cost of sales	8,389	8,553
Gross profit	32,319	35,817
Operating expenses:
Commissions and incentives	15,618	17,542
Selling and administrative expenses	8,142	8,813
Depreciation and amortization	443	396
Other operating costs	7,580	6,555
Total operating expenses	31,783	33,306
Income from operations	536	2,511
Interest income (expense)	(13)	30
Other income (expense), net	334	(932)
Income before income taxes	857	1,609
Provision for income taxes	266	510
Net income	$ 591	$ 1,099
Earnings per common share:
Basic (in dollars per share)	$ 0.22	$ 0.41
Diluted (in dollars per share)	$ 0.21	$ 0.40
Weighted-average common shares outstanding:
Basic (in shares)	2,696	2,677
Diluted (in shares)	2,780	2,730