Accounts Receivable

12 Months Ended

Dec. 31, 2011

Accounts Receivable [Abstract]

Accounts Receivable

3. ACCOUNTS RECEIVABLE

Accounts receivable at December 31, consists of the following:

		2011			2010
Trade receivables	$	5,598,124		$	4,165,239
Unbilled receivables		638,950			804,618
Contract retainage		602,360			452,118
Allowance for doubtful accounts		(85,000	)		(41,000	)
Totals	$	6,754,434		$	5,380,975