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Long-Term Debt (Tables)
6 Months Ended
Jun. 30, 2017
Debt Disclosure [Abstract]  
Schedule of Long-term Debt Instruments [Table Text Block]
Our long-term debt obligations were as follows:
In thousands
 
June 30, 2017
 
December 31, 2016
Texas Capital Credit Facility ($20.0 million capacity), various interest rates based on (a) LIBOR plus 1.95% or (b) prime minus 0.75% (effective rate of 3.12% at June 30, 2017), due April 17, 2019
 
$
12,116

 
$

Total debt
 
12,116

 

Less current maturities
 

 

Total long-term debt
 
$
12,116

 
$

Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block]
The carrying values and estimated fair value of our outstanding debt were as follows:
 
 
June 30, 2017
 
December 31, 2016
In thousands
 
Carrying Value
 
Fair Value
 
Carrying Value
 
Fair Value
Total debt
 
$
12,116

 
$
12,116

 
$

 
$