Note 8 - Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2014

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

Year ending December 31:
2015	$	3,565,757
2016		2,706,520
2017		1,994,686
2018		1,226,832
2019		514,261
2020		189,364
2021		126,775
2022-2024		121,000
Total minimum lease payments	$	10,445,195