Quarterly report pursuant to Section 13 or 15(d)

Note 14 - Common stock warrants: Schedule of Series B and Series D common stock warrants (Details)

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Note 14 - Common stock warrants: Schedule of Series B and Series D common stock warrants (Details) - shares
 6 Months Ended 12 Months Ended
Jun. 30, 2019
Dec. 31, 2018
Series B    
Warrants Outstanding, Starting Balance 87,456 0
Common Stock Warrants Reinstated [1]   87,456
Warrants Issued 0 0
Warrants Exercised 0 0
Warrants Outstanding, Ending Balance 87,456 87,456
Series D    
Warrants Outstanding, Starting Balance 6,252,954 6,666,007
Common Stock Warrants Reinstated [1]   29,544
Warrants Issued 0 0
Warrants Exercised 0 (442,597)
Warrants Outstanding, Ending Balance 6,252,954 6,252,954
B and D Total    
Warrants Outstanding, Starting Balance 6,340,410 6,666,007
Common Stock Warrants Reinstated [1]   117,000
Warrants Issued 0 0
Warrants Exercised 0 (442,597)
Warrants Outstanding, Ending Balance 6,340,410 6,340,410
[1] See Note 5.