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Securities Authorized for Issuance under Equity Compensation Plans (Tables)
3 Months Ended
Mar. 31, 2016
Securities Authorized for Issuance Under Equity Compensation Plans [Abstract]  
Schedule of outstanding stock options under company's stock options plans

 

Plan 

Date

Granted

 

Shares

Underlying

Options Outstanding

  

Shares

Underlying Exercisable

Options

  

Exercise

Price

  

Expiration

Date

 

Weighted

Average

Remaining Term

 
2002NQ 12/17/07  40,000   40,000  $1.32  12/16/17  1.7 
2008NQ 1/11/09  40,000   40,000  $0.69  1/10/19  2.8 
2008NQ 4/26/10  20,000   20,000  $2.07  4/25/20  4.1 
                     
     100,000   100,000  $1.22     2.6