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Accounts Payable and Accrued Liabilities (Tables)
 12 Months Ended
Dec. 31, 2017
Payables And Accruals [Abstract]  
Schedule of Accounts Payable and Accrued Liabilities

 

 

 

December 31,

 

 

December 31,

 

 

 

2017

 

 

2016

 

Trade payables

 

$

3,356

 

 

$

913

 

Accrued compensation

 

 

5,876

 

 

 

6,099

 

Accrued litigation costs

 

 

916

 

 

 

151

 

Dividends

 

 

1,182

 

 

 

1,102

 

Success fee obligation - current portion

 

 

47

 

 

 

585

 

Accrued contingent partner payments & legal fees

 

 

5,133

 

 

 

4,077

 

Patent acquisition liability

 

 

-

 

 

 

1,000

 

Project losses

 

 

463

 

 

 

-

 

Accrued other

 

 

3,514

 

 

 

1,718

 

 

 

$

20,487

 

 

$

15,645