Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Summary of Stock Options - Stock-based Compensation Expense Included in the Statement of Income (Details)

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Note 8 - Summary of Stock Options - Stock-based Compensation Expense Included in the Statement of Income (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Research and Development Expense [Member]        
Allocated Share-based Compensation Expense $ 5 $ 13 $ 1
General and Administrative Expense [Member]        
Allocated Share-based Compensation Expense 50 $ 113 132 143
Allocated Share-based Compensation Expense $ 55 $ 113 $ 145 $ 144