SUPPLEMENTARY FINANCIAL STATEMENT INFORMATION (Accounts Receivable, Other) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]
Prepaid expenses	$ 251	$ 235
Other receivables	3,686	3,837
Deferred Cost [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Other receivables	89	1,558
Institutions [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Other receivables	542	375
State Of Israel [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Other receivables	2,400	1,296
Restricted Deposit [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Other receivables	298	208
Sundry [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Other receivables	$ 106	$ 165