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ACCOUNTS RECEIVABLE AND NOTES RECEIVABLE (Tables)
 12 Months Ended
Dec. 31, 2016
Receivables [Abstract]  
Schedule of Accounts and Notes Receivable
Accounts receivable, net, consists of the following at December 31:
 
2016
 
2015
Accounts receivable trade
$
12,598,493

 
$
8,280,749

Allowance for doubtful accounts
(1,646,274
)
 
(1,965,335
)
Accounts receivable trade, net
$
10,952,219

 
$
6,315,414

Notes receivable, net, consists of the following at December 31:
 
2016
 
2015
Notes receivable (collateralized by invoiced accounts receivable)
$
—

 
$
5,346,452

Payments received and amounts written off
—

 
(3,654,790
)
Allowance for doubtful accounts
—

 
—

Note receivable (collateralized by invoiced accounts receivable), net
$
—

 
$
1,691,662