Note 10 - Subsequent Events	9 Months Ended
Sep. 30, 2018
Notes to Financial Statements
Subsequent Events [Text Block]	Note 10. Subsequent Events On November 7, 2018, the Company and Amegy extended the revolving line of credit on substantially the same terms for one year until October 24, 2019.

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.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

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