Note 11 - 2018 Stock Option and Award Incentive Plans - Stock Option Activity (Details)	9 Months Ended
	Sep. 30, 2018 USD ($) $ / shares shares
Weighted Average Exercise Price, Outstanding (in dollars per share) | $ / shares
Weighted Average Exercise Price, Granted (in dollars per share) | $ / shares	0.384
Weighted Average Exercise Price, Outstanding (in dollars per share) | $ / shares	$ 0.384
Weighted Average Remaining Contractual Term, Outstanding (Year)	5 years
Aggregate Intrinsic Value, Outstanding | $
Weighted Average Exercise Price, Exercisable (in dollars per share) | $ / shares
Weighted Average Remaining Contractual Term, Exercisable (Year)
Aggregate Intrinsic Value, Exercisable | $
Qualified Options [Member]
Number of Options, Outstanding (in shares)
Number of Options, Granted (in shares)	950,000
Number of Options, Outstanding (in shares)	950,000	[1]
Number of Options, Exercisable (in shares)
Nonqualified Options [Member]
Number of Options, Outstanding (in shares)
Number of Options, Granted (in shares)	3,995,000
Number of Options, Outstanding (in shares)	3,995,000
Number of Options, Exercisable (in shares)

[1] There is one stock owner over 10% currently holding 500,000 qualified options. The exercise price for this Option-Holder would be $.418 with an exercise period of 5 years and a vesting period of 4 years at 25% per year.