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SUPPLEMENTARY BALANCE SHEET INFORMATION:
 12 Months Ended
Dec. 31, 2011
Organization, Consolidation and Presentation Of Financial Statements [Abstract]  
Supplemental Balance Sheet Disclosures [Text Block]

NOTE 9    -  SUPPLEMENTARY BALANCE SHEET INFORMATION:

 

a.        Cash and cash equivalents

 

The balance as of December 31, 2011 and 2010 includes $8.4 million and $13.3 million, respectively, of highly liquid bank deposits. The deposits are mainly denominated in dollars and, as of December 31, 2011, bear weighted average annual interest of 1.55%.

 

b.         Accounts receivable:

 

    December 31  
    2011     2010  
    U.S. dollars 
in thousands		  
1)         Trade:                
Open accounts   $ 2,071     $ 2,020  
Less - allowance for doubtful accounts *     (308 )     (435 )
    $ 1,763     $ 1,585  

 

    Years ended December 31  
    2011     2010     2009  
    U.S. dollars in thousands  
                   
*          The changes in allowance for doubtful                        
accounts are composed as follows:                        
Balance at beginning of year   $ 435     $ 664     $ 850  
Increase (decrease) during the year     (15 )     (201 )     251  
Bad debt written off     (112 )     (28 )     (437 )
Balance at end of year   $ 308     $ 435     $ 664  

 

    December 31  
    2011     2010  
    U.S. dollars 
in thousands		  
2)         Other:                
Government of Israel   $ 162     $ 79  
Employees     39       19  
Sundry     70       56  
    $ 271     $ 154  

 

c.         Accounts payable and accruals - other:

 

    December 31  
    2011     2010  
    U.S. dollars  
    in thousands  
             
Payroll and related expenses   $ 594     $ 586  
Government institutions     236       238  
Accrued vacation pay     77       76  
Accrued expenses and sundry     307       336  
    $ 1,214     $ 1,236