ACCOUNTS RECEIVABLE

12 Months Ended

Dec. 31, 2011

ACCOUNTS RECEIVABLE [Abstract]

ACCOUNTS RECEIVABLE

3.           ACCOUNTS RECEIVABLE

Accounts receivable consists of trade receivables as follows:

2011 2010

Billed receivables	$4,360,570	$6,161,524
Less: allowance for doubtful accounts	(75,000)	(8,980)
	$4,285,570	$6,152,544