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Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified | 9 Months Ended
--- | ---
Sep. 30, 2014 | Sep. 30, 2013
OPERATING ACTIVITIES |  |
Net loss | $ (20,559) | $ (25,171)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Gain on warrants | (2,768) | (2,874)
Warrant Issuance Costs | 531 |
Depreciation | 165 | 162
Stock-based compensation [note 5[c] and 5[d]] | 2,968 | 2,490
Changes in operating assets and liabilities: |  |
Interest receivable | 199 | 32
Amounts receivable | 3,830 | (9,208)
Prepaid expenses and other current and non-current assets | 3,646 | 1,019
Accounts payable | 1,423 | (1,290)
Accrued liabilities | 1,383 | 7,154
Accrued compensation | (596) | (184)
Restricted Cash | 63 |
Excess lease liability [note 6] | (582) | (504)
Lease Obligations | (67) | (15)
Cash used in operating activities | (10,364) | (28,389)
FINANCING ACTIVITIES |  |
Proceeds from issuance of common shares and warrants, net of issuance costs [note 5[b]] | 22,372 |
Proceeds from exercise of stock options | 30 | 10
Taxes paid related to net share settlement of equity awards | (28) |
Cash provided by financing activities | 25,234 | 10
INVESTING ACTIVITIES |  |
Purchase of investments | (5,279) | (31,615)
Proceeds from maturities of investments | 24,846 | 55,096
Purchase of property and equipment | (80) | (234)
Cash provided by investing activities | 19,487 | 23,247
Effect of exchange rate changes on cash |  | 7
Increase in cash and cash equivalents during the period | 34,357 | (5,125)
Cash and cash equivalents, beginning of the period | 14,593 | 18,075
Cash and cash equivalents, end of the period | 48,950 | 12,950
Property and equipment acquired under lease obligation |  | 24
ATM Financing [Member] |  |
FINANCING ACTIVITIES |  |
Proceeds from issuance of common shares and warrants, net of issuance costs [note 5[b]] | $ 2,860 |

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