Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 902	$ 3,714
Short-term investments	11,990
Other investments, at fair value (Note 3)	1,798	6,163
Other current assets	512	1,485
Total current assets	15,202	11,362
Non-current assets:
Mineral properties (Note 4)	3,874	5,406
Plant and equipment, net (Note 5)	8,792	9,342
Total non-current assets	12,666	14,748
Total assets	27,868	26,110
Current liabilities:
Accounts payable	115	457
Accrued liabilities and other	688	370
Total current liabilities	803	827
Total liabilities	$ 803	$ 827
Commitments and contingencies - (Note 8)
Shareholders' equity:
Common shares, no par value - unlimited shares authorized; shares outstanding: 2015 - 82,883,562 and 2014 - 82,390,217 (Note 6)	$ 438,900	$ 438,083
Accumulated other comprehensive income/(loss) (Note 7)	(35)	11
Accumulated deficit	(411,800)	(412,811)
Total shareholders' equity	27,065	25,283
Total liabilities and shareholders' equity	$ 27,868	$ 26,110

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).