Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 185,385	$ 138,951
Short-term investments	88,553	178,013
Restricted cash	2,280	1,062
Trade and other receivables, net	13,955	5,849
Unbilled - collaboration and license revenue	4,795	9,880
Inventories	1,547	7,873
Prepaid and other current assets	9,408	11,699
Total current assets	305,923	353,327
Property and equipment, net	4,769	5,236
Intangible assets	3,844	7,279
Operating lease right-of-use asset	12,316
Inventories, noncurrent portion	31,608	9,645
Prepaid and other long-term assets	8,037	10,932
Total assets	366,497	386,419
Current liabilities:
Accounts payable	11,832	13,215
Accrued research and development	18,399	19,831
Accrued and other liabilities	33,242	22,310
Deferred revenue, current portion	1,267	1,847
Current portion of notes payable and long-term royalty-based debt	19,567	11,802
Total current liabilities	84,307	69,005
Notes payable, less current portion	44,664	48,298
Long term royalty-based debt, less current portion	157,434	155,256
Long term debt	57,061
Long term obligation to collaborator, less current portion	5,833	6,881
Deferred revenue, long-term	4,415	4,488
Long-term portion of lease liability	10,204
Other long-term liabilities	1,985	11,924
Total liabilities	365,903	295,852
Stockholders’ equity:
Preferred stock, $0.001 par value, 5,000 shares authorized; no shares issued and outstanding
Common stock, $0.001 par value, 150,000 shares authorized at June 30, 2019 and December 31, 2018; 68,235 shares and 66,618 shares issued and outstanding at June 30, 2019 and December 31, 2018, respectively	70	68
Additional paid-in capital	1,670,627	1,614,320
Accumulated deficit	(1,670,064)	(1,525,704)
Accumulated other comprehensive loss	(39)	(283)
Total Portola stockholders’ equity	594	88,401
Noncontrolling interest		2,166
Total stockholders’ equity	594	90,567
Total liabilities and stockholders’ equity	$ 366,497	$ 386,419