Condensed consolidated balance sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Current assets
Cash and cash equivalents (Note 3)	$ 14,283	$ 14,906
Short-term investments (Note 7)	20,135	24,191
Accounts and other amounts receivable	57	65
Prepayments and deposits	547aqxp_PrepaymentsAndDepositsCurrent	139aqxp_PrepaymentsAndDepositsCurrent
Total current assets	35,022us-gaap_AssetsCurrent	39,301us-gaap_AssetsCurrent
Property and equipment	97us-gaap_PropertyPlantAndEquipmentNet	105us-gaap_PropertyPlantAndEquipmentNet
Long-term investments (Note 7)	0	2,003
Other	12us-gaap_OtherAssetsNoncurrent	13us-gaap_OtherAssetsNoncurrent
Total assets	35,131us-gaap_Assets	41,422us-gaap_Assets
Current liabilities
Accounts payable and accrued liabilities	4,972	5,203
Total current liabilities	4,972us-gaap_LiabilitiesCurrent	5,203us-gaap_LiabilitiesCurrent
Warrant liabilities (Note 7)	79us-gaap_DerivativeLiabilitiesNoncurrent	72us-gaap_DerivativeLiabilitiesNoncurrent
Total liabilities	5,051us-gaap_Liabilities	5,275us-gaap_Liabilities
Share capital: (Note 5)
Common stock	0us-gaap_CommonStockValue	0us-gaap_CommonStockValue
Additional paid-in capital	125,904us-gaap_AdditionalPaidInCapital	125,567us-gaap_AdditionalPaidInCapital
Accumulated deficit	(95,827)	(89,416)
Accumulated other comprehensive income (loss)	3	(4)
Total stockholders' equity	30,080us-gaap_StockholdersEquity	36,147us-gaap_StockholdersEquity
Total liabilities and stockholders' equity	$ 35,131	$ 41,422

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Amount due from customers, clients, or other third-parties, or arising from transactions not separately disclosed, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value.

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Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.

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