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Note 8 - Accrued Liabilities
9 Months Ended
Sep. 30, 2020
Notes to Financial Statements  
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
8
.
Accrued
Liabilities
 
As of
September 30, 2020
and
December 31, 2019,
accrued liabilities consisted of the following:
 
   
September 30,
   
December 31,
 
   
2020
   
2019
 
                 
Payroll expenses and taxes payable
  $
1,085,000
    $
299,000
 
Commissions and bonuses payable and general accrued liabilities
   
1,884,000
     
621,000
 
    $
2,969,000
    $
920,000