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Note 6 - Accounts Receivable, Net
3 Months Ended
Mar. 31, 2019
Notes to Financial Statements  
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]
NOTE
6:
ACCOUNTS RECEIVABLE, NET
 
Accounts receivable are presented net of an allowance for doubtful accounts of approximately
$24,000
as of
March 31, 2019
and
December 31, 2018.
The allowance is based on prior experience and management’s evaluation of the collectability of accounts receivable. Management believes the allowance is adequate. However, future estimates
may
change based on changes in future economic conditions.