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Note 16 - Customer Deposits	12 Months Ended
Note 16 - Customer Deposits	Dec. 31, 2012
Other Liabilities Disclosure [Text Block]	16. Customer Deposits Customer deposits at December 31, 2012, were $263,000 ($176,000 from domestic operations and $87,000 from international operations) compared to $183,000 at December 31, 2011 ($188,000 from domestic operations and ($5,000) from international operations). The increase in customer deposits is primarily due to the increase in such business in Australia and Mexico.