Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
NET SALES	$ 318,790	$ 245,862	$ 193,237
COST OF GOODS SOLD	185,880	131,665	103,247
GROSS PROFIT	132,910	114,197	89,990
SELLING, GENERAL, AND ADMINISTRATIVE EXPENSES	134,908	114,450	94,876
INCOME (LOSS) FROM OPERATIONS	(1,998)	(253)	(4,886)
OTHER INCOME/(EXPENSES):
Other Income/(Expenses), net	87	5	(102)
Interest Expense	(1,212)	(991)	(296)
Nonoperating Income (Expense), Total	(1,125)	(986)	(399)
INCOME (LOSS) BEFORE INCOME TAXES	(3,123)	(1,239)	(5,284)
INCOME TAX EXPENSE	65	144	77
INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCKHOLDERS	(3,188)	(1,383)	(5,361)
OTHER COMPREHENSIVE INCOME (LOSS):
Change in foreign currency translation	(1)	(48)	(108)
TOTAL OTHER COMPREHENSIVE INCOME (LOSS)	(1)	(48)	(108)
TOTAL COMPREHENSIVE INCOME (LOSS)	$ (3,189)	$ (1,430)	$ (5,469)
NET INCOME (LOSS) PER SHARE ATTRIBUTABLE TO COMMON STOCKHOLDERS
-BASIC (in dollars per share)	$ (0.08)	$ (0.04)	$ (0.15)
-DILUTED (in dollars per share)	$ (0.08)	$ (0.04)	$ (0.15)
WEIGHTED AVERAGE SHARES OF COMMON STOCK OUTSTANDING USED IN COMPUTING NET INCOME (LOSS) PER SHARE ATTRIBUTABLE TO COMMON STOCKHOLDERS
-BASIC (in shares)	39,757,660	35,950,117	35,329,170
-DILUTED (in shares)	39,757,660	35,950,117	35,329,170