Note 4 - Goodwill (Details) - Changes In The Carrying Amount of the Company’s Goodwill (USD $)	0 Months Ended	9 Months Ended
	Aug. 31, 2013	Sep. 30, 2013	Dec. 31, 2012
Changes In The Carrying Amount of the Company’s Goodwill [Abstract]
Goodwill		$ 21,827,000	$ 21,827,000
Accumulated impairment losses		7,500,000	7,500,000
Net goodwill		14,327,000	14,327,000
Impairment losses for the nine months ended September 30, 2013	$ 0	$ 0