Aggregate dividends declared during the period for each share of common stock outstanding.

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Date the declared dividend will be paid, in CCYY-MM-DD format.

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Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding.

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Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

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Note 7 - Subsequent Events (Details Textual) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		6 Months Ended
	Jul. 24, 2018	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Common Stock, Dividends, Per Share, Declared		$ 0.18	$ 0.15	$ 0.36	$ 0.30
Subsequent Event [Member]
Common Stock, Dividends, Per Share, Declared	$ 0.18
Dividends Payable	$ 991
Dividends Payable, Date to be Paid	Aug. 17, 2018
Dividends Payable, Date of Record	Aug. 07, 2018