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Note 13 - Subsequent Event - Dividend Declaration	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Subsequent Events [Text Block]	Note 13 .     Subsequent Event – Dividend Declaration On March 22, 2018, the Company declared a dividend of twelve ( $0.12 ) cents per common share payable to shareholders of record date as of April 5, 2018 and payment date of April 12, 2018.

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- References

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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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

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