XML 33 R22.htm IDEA: XBRL DOCUMENT v3.8.0.1
Note 3 - Basic and Diluted Shares (Tables)
3 Months Ended
Mar. 31, 2018
Notes Tables  
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
   
Three Months Ended
 
   
March 31,
 
   
2018
   
2017
 
Basic and diluted
   
19,058,202
     
18,962,823
 
Potentially dilutive
   
27,500
     
27,500