Annual report pursuant to Section 13 and 15(d)

4. Accounts Receivable (Tables)

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4. Accounts Receivable (Tables)
12 Months Ended
Dec. 31, 2016
Receivables [Abstract]  
Schedule of accounts receivable
    Year Ended December 31,  
    2016     2015  
Accounts receivable - laboratory services   $ 13,220,498     $ 105,332,339  
Accounts receivable - all others     701,583       569,351  
Total accounts receivable     13,922,081       105,901,690  
Less:                
Allowance for discounts     (12,103,547 )     (97,577,130 )
Allowance for bad debts     (350,954 )     (175,076 )
Accounts receivable, net   $ 1,467,580     $ 8,149,484