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ACCOUNTS RECEIVABLE (Tables)
12 Months Ended
Dec. 31, 2012
ACCOUNTS RECEIVABLE [Abstract]  
Trade receivables
Accounts receivable consists of trade receivables as follows:

2012
2011

Billed receivables
$8,312,250
$4,360,570
Less: allowance for doubtful accounts
(25,000)
(75,000)
 
$8,287,250
$4,285,570

At December, 31 2012, approximatley $1,512,000 of the above amounts are classified as non-current other assets.