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Subsequent Events (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
	Jan. 31, 2017	Dec. 31, 2016	Mar. 01, 2017	Mar. 09, 2016	Dec. 31, 2014
Dividend price per share		$ 0.05
Dividend paid date		Mar. 01, 2017
Dividend record date		Feb. 15, 2017
Repurchase shares of common stock				$ 10,000	$ 2,598
Subsequent Event [Member]
Dividend price per share	$ 0.05
Dividend paid date	Mar. 01, 2017
Dividend record date	Feb. 15, 2017
Subsequent Event [Member] | Renewed and Extended [Member]
Repurchase shares of common stock			$ 10,000

X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586

+ Details

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Namespace Prefix:	us-gaap_
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X

- Definition

The per share amount of a dividend declared, but not paid, as of the financial reporting date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586

+ Details

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X

- Definition

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

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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X

- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

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Namespace Prefix:
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X

- Details

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Namespace Prefix:
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