Trade Accounts and Bills Receivable, net

3 Months Ended

Mar. 31, 2018

Trade Accounts and Bills Receivable, net [Text Block]

3. Trade Accounts and Bills Receivable, net

Trade accounts and bills receivable as of December 31, 2017 and March 31, 2018 consisted of the following:

		December 31,			March 31,
		2017			2018
Trade accounts receivable	$	42,095,211		$	36,767,530
Less: Allowance for doubtful accounts		(3,700,922	)		(3,749,172	)
		38,394,289			33,018,358
Bills receivable		19,124,323			11,294,221
	$	57,518,612		$	44,312,579

An analysis of the allowance for doubtful accounts is as follows:

		March 31,			March 31,
		2017			2018
Balance at beginning of period	$	2,761,144		$	3,700,922
Provision for the period		38,706			11,199
Reversal – recoveries by cash		(29,601	)		(97,852	)
Charged to consolidated statements of operations and comprehensive (loss) income		9,105			(86,653	)
Foreign exchange adjustment		22,446			134,903
Balance at end of period	$	2,792,695		$	3,749,172