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Securities Authorized for Issuance under Equity Compensation Plans (Tables)
3 Months Ended
Mar. 31, 2015
Securities Authorized For Issuance Under Equity Compensation Plans [Abstract]  
Schedule of outstanding stock options under company's stock options plans
 
Plan Date 
Granted
 Options Outstanding  Exercisable 
Options
  Exercise 
Price
  Expiration 
Date
 Weighted 
Average 
Remaining Life
 
2002NQ 4/03/06  30,000   30,000  $1.08  4/02/16  1.0 
2002NQ 12/17/07  40,000   40,000  $1.32  12/16/17  2.8 
2008NQ 1/11/09  40,000   40,000  $0.69  1/10/19  3.8 
2008NQ 4/26/10  20,000   20,000  $2.07  4/25/20  5.1 
                     
     130,000   130,000  $1.19     3.1