Accounts receivables, net and other receivables

12 Months Ended

Dec. 31, 2014

Accounts receivables, net and other receivables

Accounts receivables, net and other receivables

5. Accounts receivables, net and other receivables

        Accounts receivable, net of allowances for doubtful accounts and other receivables consisted of the following:

	December 31,
	2014		2013
Trade receivables, net of allowances	$	25,562	$	12,799
Unbilled access fees		2,142		2,036
Unbilled platform service arrangements		213		1,491
Accounts receivable, net	$	27,917	$	16,326
Unbilled access fees	$	115	$	264
Unbilled platform service arrangements		—		16
Non-current other receivables	$	115	$	280

        Access fees are recorded under long-term contracts with our wholesale partners that are telecom operators for access to our DAS at our managed and operated locations. Platform service fees are recorded under long-term contracts with our wholesale partners. These access and platform service fees escalate on an annual basis from which we receive fixed contractual payments and recognize revenue ratably over the term of the contracts.

        Included in accounts receivables, net for the periods indicated was the allowance for doubtful accounts which consisted of the following:

	Allowance for Doubtful Accounts
Balance, December 31, 2011	$	177
Additions charged to operations		45
Deductions from reserves, net		(43	)
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