CONSOLIDATED STATEMENTS OF OPERATIONS - (UNAUDITED) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Statement [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 32,384	$ 38,319
Cost of sales	7,091	7,222
Gross profit	25,293	31,097
Operating expenses:
Commissions and incentives	13,108	15,598
Selling and administrative expenses	6,909	7,111
Depreciation and amortization expense	332	510
Other operating costs	4,909	5,089
Total operating expenses	25,258	28,308
Income from operations	35	2,789
Interest income, net	15	22
Other income (expense), net	85	(282)
Income before income taxes	135	2,529
Income tax provision	(1)	(335)
Net income	$ 134	$ 2,194
Earnings per common share:
Basic (in dollars per share)	$ 0.07	$ 1.06
Diluted (in dollars per share)	$ 0.06	$ 1.04
Weighted-average common shares outstanding:
Basic (in shares)	1,947	2,071
Diluted (in shares)	2,074	2,116