Inventory (Tables)

3 Months Ended

12 Months Ended

Mar. 31, 2021

Dec. 31, 2020

Inventory Disclosure [Abstract]

Schedule of major classes of inventories

	March 31, 2021			December 31, 2020
Raw materials	$	750		$	376
Work in progress		956			460
Finished goods		5,314			5,016
Inventory, gross		7,020			5,852
Less: inventory reserves		(10	)		(4	)
Inventory, net	$	7,010		$	5,848
Balance Sheet Classification:
Inventory, net		5,049			3,850
Inventory, net of current portion		1,961			1,998
	$	7,010		$	5,848

	December 31,
	2020			2019
Raw materials	$	376		$	215
Work in progress		460			701
Finished goods		5,016			6,347
Inventory, gross		5,852			7,263
Less: inventory reserves		(4	)		(22	)
Inventory, net	$	5,848			7,241
Balance Sheet Classification:
Inventory		3,850			3,232
Inventory, net of current portion		1,998			4,009
	$	5,848		$	7,241