Note 9 - Warrants (Detail) - Warrant Activity (Warrant [Member], USD $)	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2012	Dec. 31, 2011
Warrant [Member]
Outstanding at January 1,	412,779	412,779	412,779	412,779
Outstanding at January 1, (in Dollars per share)	$ 14.11	$ 14.11	$ 14.11	$ 14.11
Outstanding at March 31,	412,779	412,779	412,779	412,779
Outstanding at March 31, (in Dollars per share)	$ 14.11	$ 14.11	$ 14.11	$ 14.11
Currently exercisable	412,779		412,779
Currently exercisable (in Dollars per share)	$ 14.11		$ 14.11