Accounts Receivable and Other Receivables (Tables)

9 Months Ended

Sep. 30, 2013

Receivables [Abstract]

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

Accounts receivable balances consisted of the following (in thousands):

	September 30, 2013			December 31, 2012
Accounts receivable, gross	$	42,960		$	52,660
Less: allowance for doubtful accounts	(464		)	(779		)
Accounts receivable, net	$	42,496		$	51,881