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Note 6 - Warrants
9 Months Ended
Sep. 30, 2017
Notes to Financial Statements  
Stockholders' Equity Note Disclosure [Text Block]
Note
6
.
     
Warrants
 
The Company conducted its public stock offering through the sale of units. Each unit was sold for
$1,000
and consisted of
200
shares of common stock and a warrant to purchase an additional
200
shares of common stock at
$6.00
per share. The warrants were originally scheduled to expire, if
not
exercised, on 
February 24, 2016.
The board of directors of the Company extended the warrant expiration date to
April 1, 2016.
As of
December 31, 2014
warrant-holders had the right to purchase
2,532,400
shares of common stock. On
February 24, 2015,
the Company registered a warrant exercise offering with the Kansas Securities Commissioner. During
2015,
warrant-holders exercised warrants for the purchase of
944,845
shares of common stock. As of
December 31, 2015
warrant-holders had the right to purchase
1,587,555
shares of common stock. During
2016,
warrant-holders exercised their rights to purchase an additional
372,003
shares of common stock.
 
Management engaged the services of an experienced valuation firm to value the warrants as of
February 24, 2013.
The valuation performed valued the warrants to be worth
$0.01
per share of common stock and management has allocated this amount from additional paid-in capital to the outstanding warrants. As the warrants have been exercised, the value allocated to the warrants exercised has been restored to additional paid-in capital. The value of outstanding warrants was reduced to
zero
at
March 31, 2016.