XML 13 R39.htm IDEA: XBRL DOCUMENT v2.4.1.9

Treasury stock / share repurchase program (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	1 Months Ended			3 Months Ended
	Apr. 30, 2015	Mar. 31, 2015	Feb. 28, 2015	Apr. 30, 2015
Class of Stock [Line Items]
Investment Repurchase Agreement, Date of Agreement				Feb. 05, 2015
Stock Repurchase Program Expiration Date				Dec. 31, 2015
Treasury Stock, Shares	0us-gaap_TreasuryStockShares	17us-gaap_TreasuryStockShares	28us-gaap_TreasuryStockShares	0us-gaap_TreasuryStockShares
Treasury Stock Acquired, Average Cost Per Share	$ 0.00us-gaap_TreasuryStockAcquiredAverageCostPerShare	$ 6.27us-gaap_TreasuryStockAcquiredAverageCostPerShare	$ 6.64us-gaap_TreasuryStockAcquiredAverageCostPerShare
Treasury Stock Acquired, Repurchase Authorization	$ 2,000us-gaap_StockRepurchaseProgramAuthorizedAmount1			$ 2,000us-gaap_StockRepurchaseProgramAuthorizedAmount1

X

- Definition

Date the repurchase agreement was made.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 12

-Footnote 2

+ Details

Name:	invest_InvestmentRepurchaseAgreementDateOfAgreement
Namespace Prefix:	invest_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_ClassOfStockLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

+ Details

Name:	us-gaap_StockRepurchaseProgramAuthorizedAmount1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Expiration date for the purchase of an entity's own shares under a stock repurchase plan, in the CCYY-MM-DD format.

+ References

No definition available.

+ Details

Name:	us-gaap_StockRepurchaseProgramExpirationDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Total cost of shares repurchased divided by the total number of shares repurchased.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 30

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655

+ Details

Name:	us-gaap_TreasuryStockAcquiredAverageCostPerShare
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.28,29)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant