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Note 2 - Subsequent Events	9 Months Ended
	Sep. 30, 2018
Notes to Financial Statements
Subsequent Events [Text Block]	2. SUBSEQUENT EVENTS On October 31, 2018, the Company’s Board of Directors approved a share repurchase program (the “Share Repurchase Program”) which became effective on November 1, 2018, under which the Company is authorized to purchase up to 2.5 million shares of its outstanding common stock over a period not to exceed twelve months. Under the Share Repurchase Program, shares may be purchased in open market transactions, including through block purchases, through privately negotiated transactions, or pursuant to any trading plan that may be adopted in accordance with Rule 10b5 - 1 of the Securities Exchange Act of 1934.   The timing, manner, price and amount of any repurchase will be determined at the Company’s discretion and the Share Repurchase Program may be suspended, terminated or modified by the Company’s Board of Directors at any time for any reason and does not obligate the Company to purchase any specific number of shares.  Under the Program, all purchases will be made in accordance with Securities Exchange Act Rule 10b - 18, which sets certain restrictions on the method, timing, price and volume of open market stock repurchases.

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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://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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