Quarterly report pursuant to Section 13 or 15(d)

Note 1 - Nature of Operations and Summary of Significant Accounting Policies - Potential Shares of Common Stock Excluded from Diluted Net Loss Per Share (Details)

v3.8.0.1
Note 1 - Nature of Operations and Summary of Significant Accounting Policies - Potential Shares of Common Stock Excluded from Diluted Net Loss Per Share (Details) - shares
 3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Restricted Stock [Member]        
Anti-dilutive Securities (in shares) 63,700 92,415 63,700 92,415
Employee Stock Option [Member]        
Anti-dilutive Securities (in shares) 1,011,686 899,370 1,011,686 899,370
Warrant [Member]        
Anti-dilutive Securities (in shares) 90,000 90,000 90,000 90,000