Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 9,688	$ 3,926
Prepaid expenses	198	43
Other current assets	2	3
Total assets	9,888	3,972
Current liabilities:
Accounts payable	492	244
Accrued liabilities	165	125
Derivative instruments (Note 4)	373	33
Total current liabilities	1,030	402
Total liabilities	1,030	402
Commitments and contingencies (Note 8)
Stockholders' equity:
Common stock, no par value; unlimited shares authorized; 15,857 shares issued and outstanding (2016-13,643)	83,062	74,515
Additional paid-in capital	43,631	42,134
Accumulated deficit	(119,078)	(114,322)
Accumulated other comprehensive income	1,243	1,243
Total stockholders’ equity	8,858	3,570
Total liabilities and stockholders’ equity	$ 9,888	$ 3,972

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).

Name:	us-gaap_AccountsPayableCurrent
Namespace Prefix:	us-gaap_
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).