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DEBT (Tables)
 12 Months Ended
Dec. 31, 2018
Disclosure of detailed information about borrowings [abstract]  
Disclosure of detailed information about borrowings
The following table displays the components of our current and long term debt instruments:
 
As of
 
As of
 
December 31, 2018
 
December 31, 2017
Current debt:
 
 
 
Equipment financing credit facility
$
—

 
$
147

Finance leases
1,151

 
1,229

Ecobank Loan III
5,555

 
2,222

Ecobank Loan IV
4,000

 
—

Vendor agreement
16,776

 
12,266

Total current debt
$
27,482

 
$
15,864

Long term debt:
 
 
 
Finance leases
$
532

 
$
269

Ecobank Loan III
14,380

 
7,337

Ecobank Loan IV
13,700

 
—

7% Convertible Debentures
44,612

 
42,515

Royal Gold loan
—

 
18,817

Vendor agreement
—

 
10,803

Total long term debt
$
73,224

 
$
79,741

 
 
 
 
Current portion
$
27,482

 
$
15,864

Long term portion
73,224

 
79,741

Total
$
100,706

 
$
95,605
Schedule of changes in borrowings
The changes in the carrying amount of the 7% Convertible Debentures are as follows:
 
For the Years Ended December 31,
 
2018
 
2017
Beginning balance
$
42,515

 
$
47,617

Conversions
—

 
(6,947
)
Accretion of 7% Convertible Debentures discount
2,097

 
1,845

Balance at the end of the period
$
44,612

 
$
42,515
Schedule of payments on outstanding debt
Schedule of payments on outstanding debt as of December 31, 2018:
 
 
  Year ending December 31, 2019
 
Year ending December 31, 2020
 
Year ending December 31, 2021
 
Year ending December 31, 2022
 
Year ending December 31, 2023
 
Maturity
Finance leases
 
 
 
 
 
 
 
 
 
 
 
 
Principal
 
$
1,151

 
$
532

 
$
—

 
$
—

 
$
—

 
2020
Interest
 
94

 
8

 
—

 
—

 
—

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Ecobank Loan III
 
 
 
 
 
 
 
 
 
 
 
 
Principal
 
5,555

 
5,555

 
5,555

 
3,611

 
—

 
2022
Interest
 
1,739

 
1,189

 
632

 
101

 
—

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Ecobank Loan IV
 
 
 
 
 
 
 
 
 
 
 
 
Principal
 
4,000

 
4,000

 
4,000

 
4,000

 
2,000

 
2023
Interest
 
1,645

 
1,250

 
847

 
448

 
74

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
7% Convertible Debentures
 
 
 
 
 
 
 
 
 
 
 
 
Principal
 
—

 
—

 
51,498

 
—

 
—

 
August 15, 2021
Interest
 
3,605

 
3,605

 
3,605

 
—

 
—

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Vendor agreement
 
 
 
 
 
 
 
 
 
 
 
 
Principal
 
17,507

 
—

 
—

 
—

 
—

 
2019
Interest
 
1,072

 
—

 
—

 
—

 
—

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Total principal
 
$
28,213

 
$
10,087

 
$
61,053

 
$
7,611

 
$
2,000

 
 
Total interest
 
8,155

 
6,052

 
5,084

 
549

 
74

 
 
 
 
$
36,368

 
$
16,139

 
$
66,137

 
$
8,160

 
$
2,074