Note 11 - Stock-Based Compensation (Detail) - Aggregate Activity In All of Company's Plans (USD $)	1 Months Ended		3 Months Ended
	Feb. 28, 2013	Sep. 30, 2012	Mar. 31, 2013
Outstanding at December 31, 2012			400,000
Outstanding at December 31, 2012 (in Dollars per share)			$ 3.93
Canceled	50,000	50	(50,000)
Canceled (in Dollars per share)			$ 1.35
Outstanding at March 31, 2013			350,000
Outstanding at March 31, 2013 (in Dollars per share)			$ 4.29
Options exercisable at March 31, 2013			350,000
Options exercisable at March 31, 2013 (in Dollars per share)			$ 4.29