Note 18 - Subsequent Event (Detail) (USD $)	0 Months Ended	3 Months Ended					0 Months Ended			0 Months Ended	3 Months Ended		0 Months Ended
	May 07, 2013	Mar. 31, 2013	Dec. 31, 2012	May 07, 2013 Subsequent Event [Member] Percent of Sales, Oral Formulation Technology (Member)	May 07, 2013 Subsequent Event [Member] Percent of Sales, Without Oral Formulation Technology (Member)	May 07, 2013 Subsequent Event [Member] Percent of Amounts, Exclusive License Agreement (Member)	May 07, 2013 Subsequent Event [Member] Length of Exclusive License Agreement (Member)	Apr. 08, 2013 Subsequent Event [Member] VPC Parties (Member) Minimum [Member]	Apr. 08, 2013 Subsequent Event [Member] VPC Parties (Member) Maximum [Member]	Apr. 08, 2013 Subsequent Event [Member] VPC Parties (Member)	Mar. 31, 2013 Subsequent Event [Member] Write-off - Fixed Assets (Member)	Mar. 31, 2013 Subsequent Event [Member] Write-off - Patents (Member)	May 13, 2013 Subsequent Event [Member]	May 07, 2013 Subsequent Event [Member]	Apr. 08, 2013 Subsequent Event [Member]
Increase (Decrease) in Notes Payable, Related Parties										$ 750,000			$ 500,000
Financing Transaction Legal Expenses										50,000
Proceeds from Notes Payable															700,000
Debt Instrument, Interest Rate, Stated Percentage			3.00%					5.00%	15.00%
Proceeds from Issuance or Sale of Equity	1,000,000	1,000,000												1,000,000
Royalty Rate				10.00%	7.50%	25.00%
Related Party Transaction, Description of Transaction							one
Subsequent Event, Amount											$ 675,000	$ 309,000