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9. Stock Options and Warrants
9 Months Ended
Sep. 30, 2012
Shareholders' Equity and Share-based Payments [Text Block]
9. Stock Options and Warrants

During 2010, 661,000 warrants were issued in conjunction with sales of common stock.  All warrants issued are exercisable at $0.75 for the first year and $1.00 for the second year.  A total of 461,000 warrants expired unexercised as of September 30, 2012. The aggregate intrinsic value of the remaining 200,000 warrants was $0 and the weighted average remaining life was 0.01 years as of September 30, 2012.