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Inventories - Schedule of Inventory (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Inventory Disclosure [Abstract]
Raw materials	$ 2,695	$ 3,937
Finished goods	5,840	5,749
Reserve for excess, obsolete, and slow-moving inventories	(2,894)	(3,518)
Inventories, net	5,641	6,168
Provision for slow-moving and obsolete inventories	(600)	(600)
Reduction of gross inventory levels	$ (1,200)	$ 1,900

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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