Annual report pursuant to Section 13 and 15(d)

Note 8 - Equity - Warrants (Details)

v3.8.0.1
Note 8 - Equity - Warrants (Details) - Goods and Services Exchanged for Equity Instrument [Member] - Warrant [Member] - $ / shares
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Unvested (in shares) 90,000 90,000  
Outstanding, Weighted Average Exercise Price (in dollars per share) $ 8.13 $ 8.13  
Outstanding, Weighted Average Remaining Contractual Term (Year) 328 days 1 year 328 days 2 years 328 days
Granted, Number of Units (in shares)  
Granted, Weighted Average Exercise Price (in dollars per share)  
Unvested (in shares) 90,000 90,000 90,000
Outstanding, Weighted Average Exercise Price (in dollars per share) $ 8.13 $ 8.13 $ 8.13
Exercisable, Number of Units (in shares) 90,000    
Exercisable, Weighted Average Exercise Price (in dollars per share) $ 8.13    
Exercisable, Weighted Average Remaining Contractual Term 0.9