Income Taxes (Details 2) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Net deferred tax assets:
Foreign net operating loss carry-forwards	$ 468	$ 520
Inventory and accounts receivable	658	1,557
Profit sharing	4,561	4,212
Stock option compensation	626	502
Effect of inventory profit elimination	3,267	3,166
Other	(23)	222
Total gross deferred tax assets, net	9,557	10,179
Valuation allowance	(258)	(520)
Net deferred tax assets	9,299	9,659
Deferred tax liabilities (long-term):
Trademarks and licenses	(3,538)	(3,821)
Net deferred tax assets	$ 5,761	$ 5,838