Accounts receivable, net (Tables)

12 Months Ended

Dec. 31, 2020

Accounts Receivable Net

Accounts Receivable net - Accounts Receivable Lessen By Provision for Doubtful Receivables

Accounts receivable consisted of the following:

		December 31, 2020		December 31, 2019
Accounts receivable	$	19,959	$	12,786
Less: Provision for credit losses		(2,990)		(1,495)
Accounts receivable, net	$	16,969	$	11,291

Accounts Receivable net - Charges to provisions for doubtful accounts

Charges to provisions for doubtful accounts are summarized as follows:

Allowance for credit losses		Balance at beginning of period		Charges to costs and expenses		Amount utilized		Balance at end of period
Year ended December 31, 2020	$	(1,495)	$	(1,495)	$	—	$	(2,990)
Year ended December 31, 2019	$	(1,495)	$	—	$	—	$	(1,495)
Year ended December 31, 2018	$	(1,495)	$	—	$	—	$	(1,495)