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Note 8 - Subsequent Events	3 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Subsequent Events [Text Block]	Note 8 :  Subsequent Events On July 24, 2017 , the Board of Directors declared a quarterly dividend of $0.20 per share. The Board established an August 7, 2017 record date and an August 18, 2017 payment date. Based on the outstanding share balance as of July 31, 2017 the Company estimates the dividend payable to be approximately $4.1 million. On July 28, 2017, the Board of Directors approved the issuance of 49,200 restricted shares to certain employees of the Company, pursuant to the 2016 Employee Plan and the issuance of 30,000 restricted shares to the independent directors, pursuant to the 2015 Director Plan.

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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://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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