Note 5 - Stockholders' Equity (Details) - Stock Option Transactions (USD $)	9 Months Ended
	Sep. 30, 2013
Stock Option Transactions [Abstract]
Outstanding at December 31, 2012	1,069,141
Outstanding at December 31, 2012 (in Dollars per share)	$ 4.50
Granted	0
Granted (in Dollars per share)	$ 0
Exercised	0
Exercised (in Dollars per share)	$ 0
Forfeited or expired	(78,429)
Forfeited or expired (in Dollars per share)	$ 4.86
Outstanding at September 30, 2013	990,712
Outstanding at September 30, 2013 (in Dollars per share)	$ 4.47
Exercisable at September 30, 2013	679,036
Exercisable at September 30, 2013 (in Dollars per share)	$ 6.14