Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Warrants - Warrant Activity (Details)

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Note 8 - Warrants - Warrant Activity (Details)
9 Months Ended
Sep. 30, 2018
$ / shares
shares
Balance (in dollars per share) | $ / shares
Balance, weighted average exercise price (in shares) | shares
Warrants issued (in dollars per share) | $ / shares $ 0.01
Warrants issued, weighted average exercise price (in shares) | shares 2,560,956
Warrants exercised (in dollars per share) | $ / shares $ 0.01
Warrants exercised, weighted average exercise price (in shares) | shares (289,550)
Balance (in dollars per share) | $ / shares $ 0.01
Balance, weighted average exercise price (in shares) | shares 2,271,406