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Note 12 - Subsequent Event | 12 Months Ended
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Dec. 31, 2016
Notes to Financial Statements |
Subsequent Events [Text Block] | 12. Subsequent Events On February 9, 2017, the Company amended the unsecured revolving promissory note to borrow up to $3,400,000 from G. Ward Paxton, the Company’s Chief Executive Officer. Under the terms of the 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 .

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- Definition The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business. + References No definition available. + Details
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