Accounts Receivable

3 Months Ended

Mar. 31, 2021

Receivables [Abstract]

Accounts Receivable

5. Accounts Receivable

Accounts receivable consists of the following:

	March 31, 2021			December 31, 2020
United States	$	8,279		$	18,893
International		5,555			4,967
Total accounts receivable		13,834			23,860
Less: Allowance for doubtful accounts		(175	)		(372	)
Accounts receivable, net of allowance for doubtful    accounts	$	13,659		$	23,488

No individual customer accounted for 10% or more of net revenue for the three months ended March 31, 2021 or 2020. Two customers accounted for approximately 17% and 13% of total accounts receivable at March 31, 2021. No individual customers accounted for 10% or more of total accounts receivable at December 31, 2020.