Note 10 - Stock-Based Compensation (Detail) - Summary of the Company’s stock compensation expense (USD $)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Stock-based compensation	$ 33,171	$ 14,015	$ 185,109	$ 132,964	$ 149,468
Research and Development Expense [Member]
Stock-based compensation	4,169	607	12,416	39,091
Marketing Expense [Member]
Stock-based compensation	6,551	4,150	65,180	12,919
General and Administrative Expense [Member]
Stock-based compensation	$ 22,451	$ 9,258	$ 107,513	$ 80,954