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)

v3.7.0.1
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 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Restricted Stock [Member]        
Anti-dilutive Securities (in shares) 65,700 151,806 65,700 151,806
Employee Stock Option [Member]        
Anti-dilutive Securities (in shares) 1,044,286 787,955 1,044,286 787,955
Warrant [Member]        
Anti-dilutive Securities (in shares) 90,000 90,000 90,000 90,000