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Stockholders' Deficit (Tables)
 12 Months Ended
Dec. 31, 2019
Stockholders' Equity Note [Abstract]  
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

In thousands

 

Pension plan
actuarial loss

 

 

Foreign currency
translation
gain (loss)

 

 

Total

Balances at January 1, 2018

$

(5,817)

 

$

281

 

$

(5,536)

Actuarial loss

(653)

-

(653)

Translation loss

 

-

 

 

(205)

 

 

(205)

Balances at December 31, 2018

(6,470)

76

(6,394)

Actuarial loss

 

(342)

 

 

-

 

 

(342)

Translation gain

 

-

 

 

118

 

 

118

Balances at December 31, 2019

$

(6,812)

 

$

194

 

$

(6,618)