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Note 8 - Debt (Detail) | 12 Months Ended |  |  |  |  | 12 Months Ended |  | 36 Months Ended |  | 12 Months Ended | 35 Months Ended |  | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2012 USD ($) | Dec. 31, 2011 USD ($) | Dec. 22, 2011 USD ($) | Dec. 31, 2010 | Dec. 31, 2009 | Dec. 31, 2012 Accounts Receivable [Member] | Dec. 31, 2012 Inventory, Lower of Cost or Market Value [Member] | Dec. 31, 2012 Inventory, Maximum Value [Member] | Dec. 31, 2012 Inventories [Member] | Dec. 31, 2012 Overdrafts [Member] | Dec. 31, 2011 Lloyds Bank Plc [Member] USD ($) | May 31, 2012 Lloyds Bank Plc [Member] EUR (€) | Dec. 31, 2014 Termination before First Year, Percentage [Member] | Dec. 31, 2014 Termination before Second Year, Percentage [Member] | Dec. 31, 2014 Termination before Third Year, Percentage [Member] | Dec. 31, 2014 Years [Member] | Dec. 31, 2012 Unsecured Convetible Notes [Member] USD ($) | Dec. 31, 2012 Convertible Promissory Note - TLC Investments LLC [Member] | Jun. 13, 2013 Convertible Promissory Note - TLC Investments LLC [Member] USD ($) | Dec. 31, 2012 Cognovit Note - Keystone Ruby, LLC [Member] | Dec. 31, 2012 Letter of Credit Agreement - Mark Plush [Member] | Dec. 31, 2012 Unsecured Promissory Note - Quercus Trust [Member] | Dec. 31, 2012 Letter of Credit Agreement - Quercus Trust [Member] | Dec. 31, 2012 Secured Subordinated Promissory Note - EF Energy Partners LLC [Member] | Dec. 31, 2012 Letter of Credit Agreement - John Davenport [Member]
Line of Credit Facility, Maximum Borrowing Capacity (in Dollars) |  |  | $ 4,500,000 |  |  |  |  |  |  |  |  | € 100,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Collateral |  |  |  |  |  | 85% | 50% | $250 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Interest Rate Description |  |  |  |  |  | 8.5% |  |  | 10.0% | 13% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Commitment Fee Percentage | 1.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Description |  |  |  |  |  |  |  |  |  |  |  |  | 3% | 2% | 1% | three |  |  |  |  |  |  |  |  |
Line of Credit Facility, Amount Outstanding (in Dollars) | 1,600,000 | 701,000 |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity (in Euro) |  |  | 4,500,000 |  |  |  |  |  |  |  |  | 100,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Interest Rate During Period |  |  |  |  |  |  |  |  |  |  | 3.60% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5.00% |  |  | 10.00% | 12.50% | 1.00% | 12.50% | 12.50% | 12.50%
Debt Instrument, Convertible, Conversion Price (in Dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.23 |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.00% |  |  |  |  |  |  |
Debt Instrument, Convertible, Number of Equity Instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 500,000 |  |  |  |  |  |  |
Debt Instrument, Convertible, Stock Price Trigger (in Dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2.00 |  |  |  |  |  |
Debt Instrument, Fee Amount (in Dollars) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 500,000 |  |  |  |  |  |
Debt Instrument, Collateral |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 32% |  |  |  |
Term of Warrant or Rights |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in Shares) |  | (160,000) |  | (1,730,062) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 125,000 |  |  |  | 125,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Item) | 0.76 | 1.43 |  | 1.42 | 1.24 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.01 |  |  |  | 0.01

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- Definition Discussion of whether the debt instrument is secured or unsecured, and, if secured, a description of the collateral and guarantees required or provided. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823 + Details
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- Definition Description of the interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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