CONDENSED CONSOLIDATED BALANCE SHEET - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 62,609	$ 19,244
Investments	72,609	58,519
Trade accounts receivable	682	34
Inventory	5,720	0
Prepaid expenses	1,157	468
Other current assets	496	183
Total current assets	143,273	78,448
Property and equipment, net	4,844	4,258
Intellectual property, net	140	146
Total assets	148,257	82,852
Current liabilities:
Accounts payable	1,534	992
Accrued liabilities	3,611	3,009
Deferred revenue and income	1,078	35
Total current liabilities	6,223	4,036
Long-term deferred income	0	1,000
Total liabilities	6,223	5,036
Commitments and contingencies see Note 16, Commitments
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	55	52
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	350,577	255,257
Accumulated deficit	(208,601)	(177,289)
Accumulated other comprehensive (loss)	3	(204)
Total stockholders’ equity	142,034	77,816
Total liabilities and stockholders’ equity	$ 148,257	$ 82,852