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Fair Value (Tables)
3 Months Ended
Mar. 31, 2014
Fair Value Disclosures [Abstract]  
Fair Value Measurements, Nonrecurring [Table Text Block]
Assets and liabilities that are measured at fair value on a recurring basis using quoted prices in active markets for identical instruments (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3) consist of the following at December 31, 2013:
 
   
 
 
December 31,
 
Fair value measurements at reporting date using
 
 
 
2013
 
Level 1 inputs
 
Level 2 inputs
 
Level 3 inputs
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Assets:
 
 
 
 
 
 
 
 
 
 
 
 
 
Cash equivalents-money market funds
 
$
1,933,480
 
$
1,933,480
 
$
-
 
$
-
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
$
1,933,480
 
$
1,933,480
 
$
-
 
$
-