5. Accounts Receivable

12 Months Ended

Dec. 31, 2015

Receivables [Abstract]

Accounts Receivable

Accounts receivable at December 31, 2015 and 2014 consisted of the following:

	December 31, 2015			December 31 2014
Accounts receivable - laboratory services	$	105,332,339		$	74,551,707
Accounts receivable - all others		569,351			405,706
Total accounts receivable		105,901,690			74,957,413
Less:
Allowance for discounts		(97,577,130	)		(55,913,780	)
Allowance for bad debts		(175,076	)		(1,579,686	)
Accounts receivable, net	$	8,149,484		$	17,463,947

For the years ended December 31, 2015 and 2014, bad debt expense totalled $19,593,784 and $19,374,626. Of which amounts $19,494,030 and $19,296,144 were classified as contra-revenue, respectively.