Note 3 - Certificates of Deposit

3 Months Ended

Mar. 31, 2019

Notes to Financial Statements

Certificates Of Deposit Disclosure[Text Block]

Note

3

:      Certificates of Deposit

The Company has certificates of deposit for investment purposes. Certificates of deposit have maturities greater than 

three

 months when purchased, in amounts 

not

 greater than 

$250,000.

 All certificates of deposit are held until maturity and recorded at cost which approximates fair value. Certificates of deposit mature through 

August

of

2020.

Certificates of deposit were

$3,874,000

and

$4,095,000

as of

March 31, 2019

and

December 31, 2018,

respectively. Purchases of certificates of deposit were

$489,000

and

$965,000

for the

three

months ended

March 31, 2019

and

2018,

respectively. Proceeds from the maturity of certificates of deposit were

$710,000

and

$980,000

for the

three

months ended

March 31, 2019

and

2018,

respectively.