Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Capital Stock, Stock Plans and Stock-based Compensation (Tables)

v3.5.0.2
Note 5 - Capital Stock, Stock Plans and Stock-based Compensation (Tables)
9 Months Ended
Sep. 30, 2016
Notes Tables  
Schedule of Stock Options Roll Forward [Table Text Block]
   
Shares
   
Weighted
Average
Exercise Price
   
Weighted
Average
Remaining Contractual
Term
(years)
   
Aggregate
Intrinsic
Value
(2)
 
Options outstanding January 1, 2016
    218,200     $ 7.65                  
Granted
    62,000       4.09                  
Exercised
 
   
                 
Forfeited/expired
    (33,000 )     8.14                  
Options outstanding end of period
(1)
    247,200     $ 6.69       4.6     $ 126,267  
Options exercisable at September 30, 2016
(1)
    181,867     $ 7.61       4.0     $ 69,516  
Options exercisable and expected to be vested at September 30, 2016
    239,750     $ 6.78       4.6     $ 118,542  
                   
Weighted
         
                   
Average
         
           
Weighted
   
Remaining
         
           
Average
   
Contractual
   
Aggregate
 
           
Exercise
   
Term
   
Intrinsic
 
   
Shares
   
Price
   
(years)
   
Value
(2)
 
Options outstanding Janury 1, 2015
    239,023     $ 7.81                  
Granted
    12,000     $ 4.19                  
Exercised
    (3,423 )     2.79             $ 4,298  
Forfeited/expired
    (29,400 )     8.13                  
Options outstanding end of period
(1)
    218,200       7.65       5.1     $ 25,464  
Options exercisable at September 30, 2015
(1)
    169,533     $ 8.47       4.8     $ 25,464  
Options exercisable and expected to be vested at September 30, 2015
    212,333     $ 7.72       5.1     $ 25,464  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
   
Employee Stock Option Granted
 
   
May 15, 2016
 
Weighted-average fair value per share
  $ 2.00  
Risk -free interest rate
(1)
    1.27%  
Expected volatility of stock
(2)
    53.12%  
Dividend yield
 
None
 
Expected option life
(3)
(in years)
 
6.0
 
   
Outside Director Stock Options Granted
 
   
July 28, 2016
   
September 17, 2015
 
Weighted-average fair value per share
  $ 3.0     $ 2.84  
Risk -free interest rate
(1)
    1.52%       2.21%  
Expected volatility of stock
(2)
    55.99%       57.98%  
Dividend yield
 
 
None       None  
Expected option life 
(3)
 (in years)
    10.0        10.0   
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]
   
Three Months Ended
   
Nine Months Ended
 
Stock Options
 
September 30,
   
September 30,
 
   
2016
   
2015
   
2016
   
2015
 
Employee Stock Options
  $ 12,000     $ 13,000     $ 42,000     $ 39,000  
Director Stock Options
    13,000       2,000       27,000       23,000  
Total
  $ 25,000     $ 15,000     $ 69,000     $ 62,000