Note 4 - Loan Payable to Officer

3 Months Ended

Mar. 31, 2018

Notes to Financial Statements

Related Party Transactions Disclosure [Text Block]

4. Loan Payable to Officer

On

February 9, 2017,

the Company entered into an unsecured revolving promissory note to borrow up to

$3,400,000

from G. Ward Paxton, the Company’s Chief Executive Officer (the “CEO Note”). Under the terms of the CEO Note, the Company

may

borrow, repay and reborrow on the loan as needed up to an outstanding principal balance due of

$3,400,000

at any given time through

March 2019.

On

March 2, 2017,

the Company amended the CEO Note described above on the same terms, with the Company being able to borrow, repay, and re-borrow on the note as needed up to an outstanding principal balance due of

$3,700,000

at any given time through

March 2019.

On

February 8, 2018,

the Company renewed the CEO Note on the same terms, with the Company being able to borrow, repay and reborrow on the CEO Note as needed up to an outstanding principal balance due of

$3,700,000

at any given time through

March 2020.

Amounts borrowed under the CEO Note officer accrue interest at a floating rate per annum equal to Silicon Valley Bank’s (“SVB”) prime rate plus

1%

(

5.75%

at

March 31, 2018).

All outstanding borrowings and accrued but unpaid interest is due on

March 31, 2020.

As of

March 31, 2018,

the borrowings outstanding totaled

$2,965,000

and accrued interest totaled

$388,000.