Note 14 - Commitments and Contingencies (Details Textual)	12 Months Ended
	Dec. 31, 2017 USD ($)
Operating Leases Monthly Rent	$ 6,000
Lessee, Finance Lease, Term of Contract (Deprecated 2018-01-31)	5 years
Year 1 [Member]
Operating Leases Monthly Rent	$ 8,700
Year 2 [Member]
Operating Leases Monthly Rent	8,961
Year 3 [Member]
Operating Leases Monthly Rent	9,230
Year 4 [Member]
Operating Leases Monthly Rent	9,507
Year 5 [Member]
Operating Leases Monthly Rent	$ 9,792