Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 33,731	$ 37,950
Marketable securities	14,205	11,326
Accounts receivable	162	440
Prepaid expenses and other current assets	171	153
Total current assets	48,269	49,869
Deferred financing fees	3,876	2,739
Property, plant and equipment, net	1,999	1,879
Total assets	54,144	54,487
Current liabilities:
Accounts payable and accrued expenses (note 7)	2,821	2,283
Deferred revenue	13,522	15,920
Total current liabilities	16,343	18,203
Deferred revenue, less current portion	2,603	11,886
Deferred tenant inducements	219	282
Total liabilities	19,165	30,371
Redeemable convertible preferred shares:
Convertible Preferred Stock	102,488	102,488
Shareholders’ deficit:
Common shares, without par value; unlimited shares authorized; 1,344,627 and 1,349,591 issued and outstanding at December 31, 2013 and September 30, 2014, respectively	6,198	6,147
Additional paid-in capital	30,242	29,722
Accumulated deficit	(104,958)	(116,752)
Accumulated comprehensive income	1,009	2,511
Total shareholders’ deficit	(67,509)	(78,372)
Total liabilities, shareholders’ deficit and redeemable convertible preferred shares	54,144	54,487
Series A Preferred Stock [Member]
Redeemable convertible preferred shares:
Convertible Preferred Stock	2,939	2,939
Series B Preferred Stock [Member]
Redeemable convertible preferred shares:
Convertible Preferred Stock	8,683	8,683
Series E Preferred Stock [Member]
Redeemable convertible preferred shares:
Convertible Preferred Stock	$ 90,866	$ 90,866