Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 24,212	$ 23,413
Short-term investments (note 2)	78,797	107,146
Accounts receivable	1,042	273
Accrued revenue	128	128
Investment tax credits receivable	160	293
Prepaid expenses and other assets	1,583	1,311
Total current assets	105,922	132,564
Restricted investment (note 2)	12,601	12,601
Property and equipment	24,284	17,683
Less accumulated depreciation	(11,541)	(10,738)
Property and equipment, net of accumulated depreciation	12,743	6,945
Intangible assets (note 3)	99,445	99,445
Goodwill (note 3)	24,364	24,364
Total assets	255,075	275,919
Current liabilities:
Accounts payable and accrued liabilities (note 5)	8,274	9,910
Deferred revenue (note 4)	2,624	15
Liability-classified options (note 2)	983	553
Warrants	0	107
Total current liabilities	11,881	10,585
Deferred revenue, net of current portion (note 4)	4,130	0
Loan payable	12,001	12,001
Contingent consideration (notes 2 and 6)	10,014	9,065
Deferred tax liability	41,263	41,263
Total liabilities	79,289	72,914
Stockholders’ equity:
Issued and outstanding: 55,026,983 (December 31, 2016 - 54,841,494)	873,841	867,393
Additional paid-in capital	39,758	36,543
Deficit	(688,031)	(651,149)
Accumulated other comprehensive loss	(49,782)	(49,782)
Total stockholders' equity	175,786	203,005
Total liabilities and stockholders' equity	$ 255,075	$ 275,919