Note 1 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	Customer Relationships			Weighted Average Life (years)		Non-Compete Agreement			Weighted Average Life (years)
December 31, 2016
Cost	$	12,311,000			9.4	$	5,370,000			5.1
Accumulated amortization		(4,490,000	)				(3,553,000	)
Net	$	7,821,000				$	1,817,000
December 31, 2015
Cost	$	10,221,000			9.6	$	5,000,000			5
Accumulated amortization		(3,199,000	)				(2,500,000	)
Net	$	7,022,000				$	2,500,000