CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Income Statement [Abstract]
Net sales	$ 180,304	$ 180,267
Cost of sales	36,564	34,102
Gross profit	143,740	146,165
Operating expenses:
Commissions and incentives	74,215	72,956
Selling and administrative expenses	37,180	34,458
Depreciation and amortization	1,898	1,793
Other operating costs	29,749	24,814
Total operating expenses	143,042	134,021
Income from operations	698	12,144
Interest income	174	210
Other expense, net	(1,827)	(4,155)
Income (Loss) before income taxes	(955)	8,199
Income tax benefit (provision)	369	(2,360)
Net income (loss)	$ (586)	$ 5,839
Earnings per common share:
Basic (in dollars per share)	$ (0.22)	$ 2.18
Diluted (in dollars per share)	$ (0.22)	$ 2.14
Weighted-average common shares outstanding:
Basic (in shares)	2,688	2,680
Diluted (in shares)	2,688	2,728