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Capital Stock
12 Months Ended
Dec. 31, 2016
Equity [Abstract]  
Capital Stock
Capital Stock
Warrants
The Company’s outstanding warrants are exercisable for common stock at any time during their respective terms. No warrants were exercised during 2016, 2015 or 2014.
The following warrants were issued and outstanding at December 31, 2016:
Issue Date
 
Shares Subject
to warrants
 
Exercise Price
per Share
 
Expiration
September 28, 2007
 
72,727

 
$
8.25

 
September 28, 2017