Note 17 - Equity-Based Compensation (Details) - Information Regarding Stock Options Under Plan that are Outstanding and Exerciable - Jun. 30, 2015 - $ / shares	Total
Note 17 - Equity-Based Compensation (Details) - Information Regarding Stock Options Under Plan that are Outstanding and Exerciable [Line Items]
Number of stock options outstanding and exercisable	2,700
Weighted-average remaining contractual life	354 days
Range One [Member]
Note 17 - Equity-Based Compensation (Details) - Information Regarding Stock Options Under Plan that are Outstanding and Exerciable [Line Items]
Weighted-average exercise price	$ 109.20
Number of stock options outstanding and exercisable	2,500
Weighted-average remaining contractual life	339 days
Range Two [Member]
Note 17 - Equity-Based Compensation (Details) - Information Regarding Stock Options Under Plan that are Outstanding and Exerciable [Line Items]
Weighted-average exercise price	$ 121.60
Number of stock options outstanding and exercisable	200
Weighted-average remaining contractual life	1 year 200 days