Annual report pursuant to Section 13 and 15(d)

Note 2 - Summary of Significant Accounting Policies (Tables)

v3.6.0.2
Note 2 - Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2016
Notes Tables  
Schedule of Credit Losses for Financing Receivables, Current [Table Text Block]
   
Year Ended December 31,
 
   
2016
   
2015
 
Allowance for doubtful accounts-beginning of year
  $
1,474
    $
2,170
 
Net recovery of bad debt reserve
   
(314
)    
(433
)
Write-off
   
(888
)    
(263
)
Allowance for doubtful accounts-end of year
  $
272
    $
1,474