Note 3 - Summary of Significant Accounting Policies (Details) - Quantitative Information about Level 3 Fair Value Measurements - Fair Value, Inputs, Level 3 [Member] - Fair Value, Measurements, Nonrecurring [Member]	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Multi-period Excess Earning [Member] | Intangible Assets [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount rate	23.00%
As of December 31, 2014
Decline in EBIT without non-compete agreement	10.00%	10.00%
Annual customer attrition rate	15.00%	15.00%
Discounted Cash Flow [Member] | Goodwill [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Remaining useful life	5 years	6 years
Discount rate	23.00%
Terminal growth rate	3.50%	3.50%
Minimum [Member] | Multi-period Excess Earning [Member] | Intangible Assets [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Remaining useful life	1 year	1 year 62 days
Discount rate		24.40%
Minimum [Member] | Discounted Cash Flow [Member] | Goodwill [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount rate		24.40%
Maximum [Member] | Multi-period Excess Earning [Member] | Intangible Assets [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Remaining useful life	7 years	5 years 62 days
Discount rate		26.20%
Maximum [Member] | Discounted Cash Flow [Member] | Goodwill [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount rate		26.20%