Accounts Receivable (Tables)

9 Months Ended

Sep. 30, 2014

Accounts Receivable [Abstract]

Components of accounts receivable

	September 30, 2014			December 31, 2013
Accounts receivable	$	15,196,951		$	16,065,074
Less: allowance for doubtful accounts		(797,066	)		(830,211	)
	$	14,399,885		$	15,234,863