Accounts receivable, net of reserve for doubtful receivables

3 Months Ended

Mar. 31, 2016

Accounts receivable, net of reserve for doubtful receivables

5. Accounts receivable, net of reserve for doubtful receivables

The following table provides details of the Company’s reserve for doubtful receivables:


	Year ended December 31,			Three months ended
	2015			March 31, 2016
Opening Balance as of January 1	$	15,192		$	11,530
Additions charged to cost and expense		2,449			3,120
Deductions/effect of exchange rate fluctuations		(6,111	)		27

Closing Balance	$	11,530		$	14,677

Accounts receivable were $601,667 and $620,275 and the reserves for doubtful receivables were $11,530 and $14,677, resulting in net accounts receivable balances of $590,137 and $605,598 as of December 31, 2015 and March 31, 2016, respectively. In addition, accounts receivable due after one year of $8,348 and $7,198 as of December 31, 2015 and March 31, 2016, respectively, are included under other assets in the consolidated balance sheets.

Accounts receivable from related parties were $1,980 and $1,121 as of December 31, 2015 and March 31, 2016, respectively. There are no reserves for doubtful receivables in respect of amounts due from related parties.