Note 8 - Leases - Capital Lease Obligations (Details) (Parentheticals) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Vehicles [Member]
Monthly installments	$ 40,470	$ 40,470
Interest rate	14.38%	14.38%
Computer Equipment [Member]
Monthly installments	$ 4,073	$ 4,073
Interest rate	5.30%	5.30%