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Marketable Equity Securities (Tables)
3 Months Ended
Mar. 31, 2017
Notes to Financial Statements  
Marketable Equity Securities and Accumulated Other Comprehensive Income
(in thousands)     March  31,     2017  December 31,     2016
  Marketable equity securities at fair value $1,685  $1,339 
  Cost 713     274 
  Accumulated other comprehensive (loss) income for
    unrealized holding gains
972  1,065 
  Deferred taxes on accumulated other comprehensive
    income for unrealized holding gains
(353) (353)
Accumulated other comprehensive income $619  $   712 
Change in Marketable Equity Securities
(in thousands) Three months ended
March 31,
  2017 2016
Gross cash proceeds from sales $   259  $   -  
Cost 38  -  
Gross gain (loss) on sale included in earnings during the period 221  -  
Reclassification adjustment to unrealized gain in other
   comprehensive income for net (gain) loss included in earnings
(221) -  
Gross unrealized holding gain arising during the period
   included in other comprehensive income (loss)
128  $169 
Deferred taxes on unrealized holding gains included in other comprehensive (income)   loss  (62) 
Net unrealized holding gain 128  107 
Other comprehensive (loss) income  from marketable equity
   securities
$(93) $107