Note 3 - Significant Accounting Policies (Detail) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Estimataed Amount of Future Revenues to be Recognized	$ 3,292,568		$ 3,292,568
Unbilled Contracts Receivable	0	0	0	0
Customer Advances, Current	0	0	0	0
Reversed Warranty Expenses	24,500		32,400
Other Accrued Liabilities, Current	52,338		52,338		86,400
General and Administrative Expense	251,712	247,796	854,100	778,875
Finite-Lived Intangible Assets, Net	521		521		3,608
Amortization of Intangible Assets			2,933
Research and Development Costs [Member]
General and Administrative Expense	21,809	8,794	49,547	34,761
Patents [Member]
Finite-Lived Intangible Assets, Net	$ 4,000		$ 4,000