CONDENSED CONSOLIDATED BALANCE SHEET - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 28,731	$ 120,585
Investments	61,422	11,839
Trade accounts receivable	159	77
Prepaid expenses	1,267	1,638
Other current assets	102	12
Total current assets	91,681	134,151
Property and equipment, net	4,802	5,016
Intellectual property, net	149	157
Total assets	96,632	139,324
Current liabilities:
Accounts payable	2,400	2,623
Accrued liabilities	2,005	2,543
Deferred revenue and income	44	127
Capital lease obligations	0	13
Total current liabilities	4,449	5,306
Long-term deferred income	1,000	1,000
Total liabilities	5,449	6,306
Commitments and contingencies see Note 12, Commitments	0	0
Stockholders' equity:
Common stock, $0.001 par value; 75,000,000 common shares authorized with 51,404,551 shares issued and outstanding on September 30, 2016 and 55,000,000 authorized with 51,191,184 shares issued and outstanding on December 31, 2015	51	51
Preferred shares, $0.001 par value; 5,000,000 preferred shares authorized and none outstanding as of September 30, 2016 and December 31, 2015	0	0
Contributed capital	252,295	243,894
Accumulated deficit	(161,154)	(110,915)
Accumulated other comprehensive gain (loss)	(9)	(12)
Total stockholders' equity	91,183	133,018
Total liabilities and stockholders' equity	$ 96,632	$ 139,324