Note 7 - Debt (Detail)	9 Months Ended	12 Months Ended		36 Months Ended					9 Months Ended
	Sep. 30, 2012 USD ($)	Dec. 31, 2011 USD ($)	Dec. 22, 2011 USD ($)	Dec. 31, 2014 Years [Member]	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]	May 31, 2012 Lloyds Bank Plc [Member] GBP (£)	Sep. 30, 2012 Accounts Receivable [Member]	Sep. 30, 2012 Inventory, Lower of Cost or Market Value [Member]	Sep. 30, 2012 Inventory, Maximum Value [Member]	Sep. 30, 2012 Inventories [Member]	Sep. 30, 2012 Overdrafts [Member]
Line of Credit Facility, Maximum Borrowing Capacity (in Pounds and 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%	13.0%
Line of Credit Facility, Commitment Fee Amount (in Dollars)	0.01
Line of Credit Facility, Description				three	3%	2%	1%
Line of Credit Facility, Amount Outstanding (in Dollars)	$ 1,300,000	$ 701,000
Line of Credit Facility, Interest Rate During Period		3.60%