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Note 14 - Capital Stock (Details) - Capital Stock Issued and Outstanding (USD $) In Thousands, except Share data, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012
--- | --- | ---
Convertible Preferred Stock [Member] |  |
Class of Stock [Line Items] |  |
Balance, December 31 |  | 5,230,634
Balance, December 31 (in Dollars) |  | $ 130,762
Subordinate Voting Shares [Member] |  |
Class of Stock [Line Items] |  |
Balance, December 31 | 34,476,038 | 28,744,410
Balance, December 31 (in Dollars) | 300,392 | 118,448
Multiple Voting Shares [Member] |  |
Class of Stock [Line Items] |  |
Balance, December 31 | 1,325,694 | 1,325,694
Balance, December 31 (in Dollars) | 373 | 373
Common Shares [Member] |  |
Class of Stock [Line Items] |  |
Balance, December 31 | 35,801,732 | 30,070,104
Balance, December 31 (in Dollars) | $ 300,765 | $ 118,821

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- Definition No authoritative reference available. + References No definition available. + Details
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Namespace Prefix: | fsrv_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
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Namespace Prefix: | us-gaap_
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- Definition Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 + Details
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