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Note 2 - Summary of Significant Accounting Policies (Details) (USD $) | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Nov. 20, 2013 | Nov. 30, 2013 | Jul. 31, 2012 | May 31, 2012 | Jul. 31, 2011 | Apr. 30, 2011 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |  |  |  |  |  |  |
Retained Earnings (Accumulated Deficit) |  |  |  |  |  |  | $ (238,870,000) | $ (183,587,000) |  |
Proceeds from Issuance of Common Stock | 56,300,000 | 57,800,000 |  |  |  |  | 57,802,000 | 50,491,000 |  |
Convertible Debt Issuable In Connection With Private Placement1 |  |  |  |  |  | 4,500,000 |  |  |  |
Proceeds from Convertible Debt |  |  |  | 3,000,000 |  | 1,300,000 |  | 3,000,000 | 1,312,000 |
Proceeds From Sale Of Units Of Common Stock And Warrants Net |  |  |  |  | 22,800,000 |  |  |  |  |
Proceeds from Issuance of Private Placement |  |  | 50,500,000 |  |  |  |  |  |  |
Cash and Cash Equivalents, at Carrying Value |  |  |  |  |  |  | 72,287,000 | 53,506,000 | 17,974,000 | 2,109,000
Other Comprehensive Income (Loss), Net of Tax |  |  |  |  |  |  | $ (55,300,000) | $ (23,300,000) | $ (11,800,000) |
Machinery and Equipment [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Estimated Useful Lives |  |  |  |  |  |  | three |  |  |
Machinery and Equipment [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Estimated Useful Lives |  |  |  |  |  |  | five |  |  |
Furniture and Fixtures [Member] |  |  |  |  |  |  |  |  |  |
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Estimated Useful Lives |  |  |  |  |  |  | five |  |  |

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- Definition Convertible debt issuable in connection with private placement. + References No definition available. + Details
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- Definition Cash Inflow from sale of units of common stock and warrants net of issuance costs. + References No definition available. + Details
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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3044-108585 + Details
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