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Note 15 - Accrued Expenses (Tables)
12 Months Ended
Dec. 31, 2012
Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]
   
Year Ended December 31,
 
   
2012
   
2011
 
Salaries, wages, commissions and vacation pay
  $ 2,653,000     $ 3,642,000  
Other accrued expenses
    569,000       857,000  
    $ 3,222,000     $ 4,499,000