Note 8 - Long-Term Debt (Detail) - Table of Long-term debt (Parentheticals) (USD $)		12 Months Ended
	Aug. 05, 2011	Dec. 31, 2012 HSBC 5-Year Loan Payable [Member]	Dec. 31, 2011 HSBC 5-Year Loan Payable [Member]	Dec. 31, 2012 GE Mortgage Payable [Member]	Dec. 31, 2011 GE Mortgage Payable [Member]	Dec. 31, 2012 HSBC Bank Mortgage Loan [Member]
Debt instrument face amount		$ 2,100,000	$ 2,100,000	$ 2,700,000	$ 2,700,000	$ 6,000,000
Monthly installments		$ 35,000	$ 35,000	$ 22,285	$ 22,285	$ 25,000
Interest rate	3.045%	3.045%	3.045%	5.67%	5.67%
Collateral		800,000	800,000
Variable rate						LIBOR plus 1.75% or HSBC's prime rate minus 0.50%