Accounts Receivable

3 Months Ended

Mar. 31, 2017

Accounts Receivable [Abstract]

Accounts Receivable

5. Accounts Receivable

Accounts receivable is consisted of the following:

	March 31,			December 31,
	2017			2016
Accounts receivable, gross:	$	32,040,818		$	12,350,947
Less: allowance for doubtful accounts		(2,844,227	)		(2,828,796	)
Accounts receivable, net	$	29,196,591		$	9,522,151

The movement of the allowance for doubtful accounts is as follows:

	March 31, 2017			December 31, 2016
Balance at the beginning of the period	$	(2,828,796	)	$	(3,672	)
Additions charged to bad debt expense		(15,431	)		(2,825,124	)
Write-off of bad debt allowance		-			-
Balance at the end of the period	$	(2,844,227	)	$	(2,828,796	)