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Note 2 - Stock-based Compensation
9 Months Ended
Sep. 30, 2016
Notes to Financial Statements  
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]
Note
2
:
Stock-Based Compensation
 
The Company’s 1999 Stock Option Plan was terminated on March 9, 2009. Incentive stock options were granted annually to key employees of NBI and its subsidiaries from 1999 to 2005 and none have been granted since 2005. All un-exercised stock options expired in November 2015. There were 5,500 stock options exercised during the nine months ended September 30, 2015.
 



Options
 



Shares
 
 

Weighted-
Average
Exercise
Price
 
 
Weighted-
Average
Remaining
Contractual
Term
 
 

Aggregate
Intrinsic
Value
 
Outstanding at January 1, 2015
    20,500     $ 23.00                  
Exercised
    (5,500
)
    23.00                  
Forfeited or expired
    ---       ---                  
Outstanding at September 30, 2015
    15,000     $ 23.00       0.107     $ 122  
Exercisable at September 30, 2015
    15,000     $ 23.00       0.107     $ 122