Note 13 - Stockholders' (Deficit) (Detail) - Cumulative Arrearage of Undeclared Dividends (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Preferred Stock, Dividend, Cumulative arrearage	$ 4,307,017	$ 4,256,158
Series A Preferred Stock [Member]
Preferred Stock, Dividend, Cumulative arrearage	2,225,037	2,174,178
Preferred Stock, Dividend, Cumulative arrearage per share (in Dollars per share)	$ 0.54	$ 0.53
Series B Preferred Stock [Member]
Preferred Stock, Dividend, Cumulative arrearage	609,887	609,887
Preferred Stock, Dividend, Cumulative arrearage per share (in Dollars per share)	$ 3.05	$ 3.05
Series C Preferred Stock [Member]
Preferred Stock, Dividend, Cumulative arrearage	$ 1,472,093	$ 1,472,093
Preferred Stock, Dividend, Cumulative arrearage per share (in Dollars per share)	$ 4.37	$ 4.37