Quarterly report pursuant to Section 13 or 15(d)

Note 6 - Stock Plans and Stock Based Compensation (Details)

v2.4.0.8
Note 6 - Stock Plans and Stock Based Compensation (Details) (USD $)
 9 Months Ended 9 Months Ended 0 Months Ended 0 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Dec. 31, 2013
Dec. 31, 2012
Sep. 30, 2014
Employee Stock Option [Member]
Contractual Term with One-fifth Yearly Vesting [Member]
Sep. 30, 2014
Employee Stock Option [Member]
Contractual Term with One-third Yearly Vesting [Member]
Sep. 30, 2014
Employee Stock Option [Member]
The 2004 And 2010 Stock Option Plans [Member]
Sep. 30, 2014
Director Stock Options [Member]
The 2003 Outside Directors Stock Plan [Member]
Sep. 30, 2014
Director Stock Options [Member]
Sep. 18, 2014
Non Qualified Stock Option Agreement [Member]
The 2003 Outside Directors Stock Plan [Member]
Sep. 30, 2014
Minimum [Member]
Sep. 30, 2013
Minimum [Member]
Sep. 30, 2014
Maximum [Member]
Sep. 30, 2013
Maximum [Member]
Jul. 10, 2014
Chief Operating Officer [Member]
The 2010 Stock Option Plan [Member]
Jul. 25, 2011
Chief Operating Officer [Member]
The 2010 Stock Option Plan [Member]
Jul. 10, 2014
The 2010 Stock Option Plan [Member]
Note 6 - Stock Plans and Stock Based Compensation (Details) [Line Items]                                  
Share Based Compensation Maximum Contractual Term         10 years 6 years     10 years                
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period         5 years 3 years     6 months 6 months           3 years 3 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in Shares) 71,800 18,000               16,800         45,000 60,000 55,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term 5 years 36 days [1] 3 years 73 days [2]                             6 years
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in Dollars per share) $ 4.70 $ 2.79               $ 3.70           $ 7.85 $ 5.00
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period                   10 years              
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number (in Shares) 246,343 [1] 390,800 [2] 362,800 528,800     76,000 170,343                  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number (in Shares) 237,543 390,800         21,000 153,543                  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number (in Shares) 174,543 [1] 352,800 [2]         21,000 153,543                  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price (in Dollars per share) $ 7.77 [1] $ 9.66 [2] $ 9.53 $ 9.82     $ 7.13 $ 9.30     $ 2.79   $ 14.75        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term 4 years 146 days [1] 2 years 328 days [2]         109 days 4 years 328 days                  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price (in Dollars per share) $ 9.04 [1] $ 10.11 [2]                   $ 5.50   $ 14.75      
Reduction in Stock Based Compensation Expense (in Dollars) $ 54,000                                
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized (in Dollars) 181,000                                
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Remaining Fiscal Year (in Dollars) 36,000                                
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized In Year Two (in Dollars) 73,000                                
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized In Year Three (in Dollars) 53,000                                
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized In Year Four (in Dollars) $ 19,000                                
[1] Options with exercise prices ranging from $2.79 to $14.75
[2] Options with exercise prices ranging from $5.50 to $14.75