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Schedule II - Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2018
Notes to Financial Statements  
SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]
SPAR Group, Inc. and Subsidiaries
 
Schedule II – Valuation and Qualifying Accounts
 
(In thousands)
 
 
   
Balance at Beginning
of Period
    
(Recovered From)/
Charged to Costs and Expenses
    
Deductions
(1)
    
Balance at End
of Period
  
Year ended December 31, 2018:
                                
                                 
Deducted from asset accounts:
                                
Allowance for doubtful accounts
   $
342
      
196
      
5
     $
533
  
                                 
Year ended December 31, 2017:
                                
                                 
Deducted from asset accounts:
                                
Allowance for doubtful accounts
   $
288
      
113
      
59
     $
342
  
 
 
(
1
)         Uncollectible accounts written off, net of recoveries