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Accounts Receivable, net (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Summary of allowance for doubtful accounts
Beginning balance	$ 655	$ 646	$ 768
Provision (Adjustment)	48	90	(22)
Write-offs	(598)	(87)	(100)
Recoveries	4	6	0
Ending balance	$ 109	$ 655	$ 646

Amount of the current period expense charged against operations, the offset which is generally to the allowance for doubtful accounts for the purpose of reducing receivables, including notes receivable, to an amount that approximates their net realizable value (the amount expected to be collected).

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