Note 6 - Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2015

Commitments and Contingencies Disclosure [Abstract]

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

	Capital Leases			Operating Leases
Remaining in 2015	$	345,240		$	823,868
2016		385,503			1,644,774
2017		225,879			1,207,702
2018		-			42,240
Total minimum lease payments	$	956,622		$	3,718,584
Less: Amount representing interest		(43,495	)
Total present value of minimum payments		913,127
Less: Current portion of such obligations		540,235
Long-term capital lease obligations	$	372,892