Note 10 - Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2016

Commitments and Contingencies Disclosure [Abstract]

Schedule of Minimum Royalty Payments [Table Text Block]

2016	$	406,443
2017		412,238
2018		288,007
2019		290,267
2020		297,571
Thereafter		576,609
Total	$	2,271,135

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

2016	$	337,500
2017		450,000
2018		164,500
Total	$	952,000