CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands |
Sep. 30, 2016 |
Dec. 31, 2015 |
| ASSETS |
|
|
| Cash and cash equivalents |
$ 22,979
|
$ 9,307
|
| Short-term investments |
4,908
|
50,523
|
| Accounts receivable: |
|
|
| Trade, net |
17,129
|
9,743
|
| Other receivables, net |
2,787
|
1,470
|
| Inventory, net |
101,898
|
106,531
|
| Prepaid expenses and other current assets |
6,262
|
18,141
|
| Total current assets |
155,963
|
195,715
|
| Property, plant, equipment, and mineral properties, net |
399,144
|
419,476
|
| Long-term parts inventory, net |
20,535
|
17,344
|
| Long-term investments |
0
|
3,799
|
| Other assets, net |
5,885
|
3,635
|
| Total Assets |
581,527
|
639,969
|
| Accounts payable: |
|
|
| Trade |
11,326
|
15,709
|
| Related parties |
28
|
45
|
| Accrued liabilities |
15,253
|
15,429
|
| Accrued employee compensation and benefits |
4,110
|
7,409
|
| Current portion of long-term debt, net |
14,677
|
0
|
| Other current liabilities |
943
|
547
|
| Total current liabilities |
46,337
|
39,139
|
| Long-term debt, net |
132,024
|
149,485
|
| Asset retirement obligation |
24,274
|
22,951
|
| Other non-current liabilities |
0
|
1,868
|
| Total Liabilities |
202,635
|
213,443
|
| Common stock, $0.001 par value; 400,000,000 shares authorized; 75,839,998 and 75,702,700 shares outstanding at September 30,2016, and December 31, 2015, respectively |
76
|
76
|
| Additional paid-in capital |
582,607
|
580,227
|
| Accumulated other comprehensive loss |
0
|
(52)
|
| Retained deficit |
(203,791)
|
(153,725)
|
| Total Stockholders' Equity |
378,892
|
426,526
|
| Total Liabilities and Stockholders' Equity |
$ 581,527
|
$ 639,969
|