ACCOUNTS RECEIVABLE AND ALLOWANCE FOR DOUBTFUL ACCOUNTS - Estimated useful lives (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance at Beginning of Period	$ 97	$ 242
Charged to Expenses	49	43
Charged to Other Accounts
Deductions	(10)	(188)
Balance at End of Period	$ 136	$ 97