Accounts receivables, net (Tables)

12 Months Ended

Dec. 31, 2018

Accounts receivables, net

Schedule of allowance for doubtful accounts

	Allowance for
	Doubtful Accounts
Balance, December 31, 2015	$	605
Additions charged to operations		116
Deductions from reserves, net		(279)
Balance, December 31, 2016		442
Additions charged to operations		773
Deductions from reserves, net		(352)
Balance, December 31, 2017		863
Additions charged to operations		363
Deductions from reserves, net		(43)
Balance, December 31, 2018	$	1,183