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Note 21 - Subsequent Event
12 Months Ended
Dec. 31, 2018
Notes to Financial Statements  
Subsequent Events [Text Block]
Note
21.
Subsequent Event 
Termination of Asset Purchase Agreement with Hana SBL
 
On
March 30, 2019
the Company and Hana SBL mutually agreed to terminate the Asset Purchase Agreement dated
February 6, 2018
and amended on
August 2, 2018
between the parties. The termination agreement provides for the release of escrowed funds back to the Company.
 
The Company has evaluated all events or transactions that occurred through the date the Company issued these financial statements. During this period, the Company did
not
have any other material recognizable or non-recognizable subsequent events.