Note 8 - Debt	12 Months Ended
Dec. 31, 2019
Notes to Financial Statements
Debt Disclosure [Text Block]	8 . Debt On September 30, 2015, we entered into a series of lending agreements with our primary lender which included agreements for a term loan and a revolving credit facility. As detailed below, the term loan was repaid in 2018 and the revolver has been periodically amended and extended. Effective with a September 11, 2018 amendment, the revolving line of credit’s maximum borrowing amount was $750,000. The revolver’s maturity date was April 29, 2019 and the revolver’s interest rate was based on the 30 -day LIBOR plus 2.25%. As of December 31, 2018, there were no outstanding borrowings on the revolving line of credit. In January 2019, we borrowed $500,000 under the revolving line of credit. Effective with a March 25, 2019 amendment, the revolving line of credit’s maturity date was extended to April 28, 2020 and the interest rate was revised to the 30 -day LIBOR plus 3.00%. As amended, the revolver’s maximum borrowing amount remains $750,000. At December 31, 2019, outstanding borrowings under the revolving line of credit were $500,000 at an interest rate of 4.69%. Borrowings under the lending agreement continue to be secured by all of our tangible and intangible assets and by a mortgage on the real estate of our headquarters facility. At December 31, 2019, we were in compliance with our loan covenant requirements. 2018 Loan Payoff At June 30, 2018, we were current on all principal and interest due to our lender. In July 2018, management voluntarily elected to redeem the cash surrender value (CSV) of our whole life insurance policy maintained on the life of our Board of Directors’ Chairman and former Chief Executive Officer. Upon redemption and related receipt of the $3.07 million CSV proceeds, we simultaneously remitted to our lender $2.86 million of the CSV proceeds to be applied towards the full reduction of our outstanding term loan and revolver balances. Upon completion of this series of July 2018 transactions, our term loan, revolver loan, and life insurance policy balances were zero.

Debt

September 30, 2015,

we entered into a series of lending agreements with our primary lender which included agreements for a term loan and a revolving credit facility. As detailed below, the term loan was repaid in

2018

and the revolver has been periodically amended and extended.

Effective with a

September 11, 2018

amendment, the revolving line of credit’s maximum borrowing amount was

$750,000.

The revolver’s maturity date was

April 29, 2019

and the revolver’s interest rate was based on the

-day LIBOR plus

2.25%.

As of

December 31, 2018,

there were

outstanding borrowings on the revolving line of credit. In

January 2019,

we borrowed

$500,000

under the revolving line of credit.

Effective with a

March 25, 2019

amendment, the revolving line of credit’s maturity date was extended to

April 28, 2020

and the interest rate was revised to the

-day LIBOR plus

3.00%.

As amended, the revolver’s maximum borrowing amount remains

$750,000.

December 31, 2019,

outstanding borrowings under the revolving line of credit were

$500,000

at an interest rate of

4.69%.

Borrowings under the lending agreement continue to be secured by all of our tangible and intangible assets and by a mortgage on the real estate of our headquarters facility. At

December 31, 2019,

we were in compliance with our loan covenant requirements.

2018

Loan Payoff

June 30, 2018,

we were current on all principal and interest due to our lender. In

July 2018,

management voluntarily elected to redeem the cash surrender value (CSV) of our whole life insurance policy maintained on the life of our Board of Directors’ Chairman and former Chief Executive Officer. Upon redemption and related receipt of the

$3.07

million CSV proceeds, we simultaneously remitted to our lender

$2.86

million of the CSV proceeds to be applied towards the full reduction of our outstanding term loan and revolver balances. Upon completion of this series of

July 2018

transactions, our term loan, revolver loan, and life insurance policy balances were zero.