Note 10 - Fair Value Measurements (Detail) - Schedule of fair value, assets and liabilties measured on recurring basis (USD $)	Jun. 30, 2012	Mar. 31, 2012	Jan. 02, 2010
Total Assets	$ 0	$ 0
Warrant liability	105,896	355,290	281,656
Total Liabilities	105,896	355,290
Fair Value, Inputs, Level 1 [Member]
Total Assets	0	0
Warrant liability	0	0
Fair Value, Inputs, Level 2 [Member]
Total Assets	0	0
Warrant liability	0	0
Fair Value, Inputs, Level 3 [Member]
Total Assets	0	0
Warrant liability	105,896	355,290
Total Liabilities	$ 105,896	$ 355,290