Note 1 - Intangible Assets (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Customer Relationships [Member]
Cost	$ 10,221,000	$ 10,221,000
Weighted average life	9 years 219 days	9 years 219 days
Accumulated amortization	$ (3,199,000)	$ (2,133,000)
Net	7,022,000	8,088,000
Noncompete Agreements [Member]
Cost	$ 5,000,000	$ 5,000,000
Weighted average life	5 years	5 years
Accumulated amortization	$ (2,500,000)	$ (1,500,000)
Net	$ 2,500,000	$ 3,500,000