CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 1,354	$ 902
Short-term investments (Note 3)	8,955	11,990
Other investments, at fair value (Note 3)	5,618	1,798
Other current assets	561	512
Total current assets	16,488	15,202
Non-current assets:
Mineral properties (Note 4)	3,874	3,874
Plant and equipment, net (Note 5)	8,529	8,792
Total non-current assets	12,403	12,666
Total assets	28,891	27,868
Current liabilities:
Accounts payable	84	115
Accrued liabilities and other	447	688
Total current liabilities	531	803
Total liabilities	531	803
Commitments and contingencies – (Note 7)
Shareholders' equity:
Common shares, no par value - unlimited shares authorized; shares outstanding: 2016 - 82,904,132 and 2015 - 82,883,562 (Note 6)	439,208	438,900
Accumulated other comprehensive income/(loss)	29	(35)
Accumulated deficit	(410,877)	(411,800)
Total shareholders' equity	28,360	27,065
Total liabilities and shareholders' equity	$ 28,891	$ 27,868

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).