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Convertible Debt at Fair Value (Tables)
 12 Months Ended
Dec. 31, 2018
Convertible Debt at Fair Value [Abstract]  
Difference Between Fair Value and Unpaid Principal Balance of Note



 

 

 

 

 

 

 

 



Fair value as of December 31, 2018

 

Unpaid principal balance as of December 31, 2018

 

Fair value carrying amount (over)/under unpaid principal

6.25% Convertible Debt

$

1,000

 

$

1,012

 

$

12