Quarterly report pursuant to Section 13 or 15(d)

Note 1 - Potential Shares of Common Stock Excluded from Diluted Net Loss Per Share (Details)

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Note 1 - Potential Shares of Common Stock Excluded from Diluted Net Loss Per Share (Details) - shares
 3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Restricted Stock [Member]        
Anti-dilutive Securities (in shares) 151,806 116,818 151,806 453,846
Employee Stock Option [Member]        
Anti-dilutive Securities (in shares) 787,955 271,895 787,955 376,275
Warrant [Member]        
Anti-dilutive Securities (in shares) 90,000 90,000 90,000 90,000