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9. Supplemental Disclosure of Cash Flow Information (Tables)
9 Months Ended
Sep. 30, 2016
Supplemental Cash Flow Elements [Abstract]  
Cash Flow Information

   Nine Months Ended September 30, 
   2016   2015 
Cash paid for interest  $1,237,622   $222,898 
Cash paid for income taxes  $   $1,853,408 
           
Non-cash investing and financing activities:          
Accrued liabilities settled through the issuance of common stock and warrants  $2,131,829   $–  
Exercise of stock options as reduction of notes payable, related party  $   $(2,500,000)
Assets acquired through capital leases  $   $1,597,063 
           
Acquisition of noncontrolling interest in Biohealth Medical Laboratory, Inc.:          
Deposits on acquisition  $   $259,875 
Goodwill  $   $(138,871)
Noncontrolling interest  $   $(121,004)