Quarterly report pursuant to Section 13 or 15(d)

Investments in Marketable Securities (Tables)

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Investments in Marketable Securities (Tables)
6 Months Ended
Jun. 30, 2015
Marketable Securities [Abstract]  
Investments Classified by Contractual Maturity Date [Table Text Block]
At June 30, 2015 and December 31, 2014, held-to-maturity investments included the following:
 
 
 
Maturing
 
 
 
Maturing
 
June 30,
2015
 
within
1 year
 
after 1 year
through
3 years
 
December 31,
2014
 
within
1 year
 
after 1 year
through
3 years
Cash/money accounts
$
98

 
$
98

 
$

 
$
204

 
$
204

 
$

US Treasury securities
1,235

 
295

 
940

 
1,070

 
105

 
965

Government agency securities
259

 
129

 
130

 
317

 
225

 
92

Total
$
1,592

 
$
522

 
$
1,070

 
$
1,591

 
$
534

 
$
1,057

Held-to-maturity Securities [Table Text Block]
At June 30, 2015 and December 31, 2014, held-to-maturity investments were recorded in the following accounts: 
 
June 30,
2015
 
December 31,
2014
Other current assets
$
522

 
$
534

Other long-term assets
1,070

 
1,057

Total
$
1,592

 
$
1,591