Accounts receivables, net and other receivables (Tables)

12 Months Ended

Dec. 31, 2015

Accounts receivables, net and other receivables

Schedule of accounts receivable, net of allowances for doubtful accounts and other receivables

	December 31,
	2015		2014
Trade receivables, net of allowances	$	41,736	$	25,562
Unbilled access fees		1,654		2,142
Unbilled platform service arrangements		162		213
Accounts receivable, net	$	43,552	$	27,917
Unbilled access fees	$	360	$	115
Unbilled platform service arrangements		3,472		—
Non-current other receivables	$	3,832	$	115

Schedule of allowance for doubtful accounts

	Allowance for Doubtful Accounts
Balance, December 31, 2012	$	179
Additions charged to operations		209
Deductions from reserves, net		(43	)
Balance, December 31, 2013		345
Additions charged to operations		191
Deductions from reserves, net		(142	)
Balance, December 31, 2014		394
Additions charged to operations		304
Deductions from reserves, net		(93	)
Balance, December 31, 2015	$	605