Accounts Receivable (Details Textual) (USD $)	3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
Accounts Receivable (Textual) [Abstract]
Accounts receivable collected from Puerto Rico client	$ 2,300,000
Accounts receivable balance decrease	1,000,000
Accounts receivable balance assigned to two creditors	1,000,000
Accounts receivable	$ 1,336,000	$ 4,546,000