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Note 5 - Accrued Expenses and Other Current Liabilities
3 Months Ended
Mar. 31, 2012
Other Liabilities Disclosure [Text Block]
5.   Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consisted of the following on the dates indicated (in thousands):

   
March 31,
2012
   
December 31,
2011
 
   
(unaudited)
       
Payroll and commissions
  $ 1,367     $ 2,419  
Product warranty and sales returns and promotional allowances
    2,452       2,401  
Accrued inventory
    3,808       84  
Accrued sales promotions
    2,706       2,541  
Deferred revenue
    2,808       2,395  
Other
    2,246       948  
Total accrued expenses and other current liabilities
  $ 15,387     $ 10,788