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Note 9 - Customer Deposits
9 Months Ended
Sep. 30, 2011
Other Liabilities Disclosure [Text Block]
9. 
Customer Deposits

Customer deposits at September 30, 2011, were $157,000 ($76,000 from domestic operations and $81,000 from international operations) compared to $471,000 at December 31, 2010 ($139,000 from domestic operations and $332,000 from international operations).