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