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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
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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. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-Section 45
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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 11 - Stockholders' Equity - Dividend Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Per share amount (in dollars per share)	$ 0.085	$ 0.07	$ 0.255	$ 0.21
Quarterly Dividends 1 [Member]
Record date			Mar. 22, 2019		Mar. 22, 2018
Payment date			Apr. 05, 2019		Apr. 05, 2018
Per share amount (in dollars per share)			$ 0.085		$ 0.07
Dividend payment	$ 1,672		$ 1,672		$ 1,351
Quarterly Dividends 2 [Member]
Record date			May 22, 2019		May 22, 2018
Payment date			Jun. 05, 2019		Jun. 07, 2018
Per share amount (in dollars per share)			$ 0.085		$ 0.07
Dividend payment	1,672		$ 1,672		$ 1,353
Quarterly Dividends 3 [Member]
Record date			Aug. 21, 2019		Aug. 22, 2018
Payment date			Sep. 05, 2019		Sep. 06, 2018
Per share amount (in dollars per share)			$ 0.085		$ 0.07
Dividend payment	$ 1,691		$ 1,691		$ 1,369
Quarterly Dividends 4 [Member]
Record date					Nov. 30, 2018
Payment date					Dec. 06, 2018
Per share amount (in dollars per share)					$ 0.07
Dividend payment					$ 1,372