Note 5 - Concentrations of Credit Risk

3 Months Ended

12 Months Ended

Mar. 31, 2019

Dec. 31, 2018

Notes to Financial Statements

Concentration Risk Disclosure [Text Block]

(

5

) SALES CONCENTRATIONS:

Sales to

four

major customers accounted for

76%

of total sales for the

three

months ended

March 

31,

2019

and

2018,

respectively. A loss of

one

of these customers could have a significant adverse effect on the Company’s financial condition, results of operations and cash flows.

(

5

) CONCENTRATIONS OF CREDIT RISK:

Significant concentrations of credit risk for all financial instruments owned by the Company are as follows:

DEMAND DEPOSITS––We maintain bank accounts in Federal credit unions and other financial institutions, which are insured up to the Federal Deposit Insurance Corporation limits. The bank accounts

may

exceed federally insured levels; however, we have

not

experienced any losses in such accounts.